kapha: what the term means and how it is translated
kapha कफ is an Ayurvedic technical term. It is rendered into English in 8 different ways, which is the reason this page exists: the renderings do not agree, and the difference between them changes what the term is taken to mean.
| Transliteration | kapha |
|---|---|
| Devanagari | कफ |
| Also written | śleṣman, ślēṣmā, shleshma, kaph, balāsa (Vedic), soma (contextually) |
| Category, as gathered | dosha |
| Grouped here under | Dosha and its subtypes |
| Classical citations | 4 |
| Citations checked | 2026-10-08 |
How it is translated, and whether the translation holds
Each rendering is given with the source that uses it. The assessment is ours.
Kapha, doṣha responsible for cohesiveness
WHO International Standard Terminologies on Ayurveda (2022) · ITA-2.1.3.1; Sanskrit given as śleṣmā, kapha · standard
Quoted exactly as printed, including the typo 'doṣha' in the published PDF. WHO's description names stability, unctuousness, lubrication, immunity and cohesion, and earth and water as the predominant elements.
Reproduced unaltered and attributed from the WHO International Standard Terminologies on Ayurveda, which is what that licence permits. It is deliberately absent from the downloadable dataset, which is offered under CC BY 4.0 and invites the modification a NoDerivs licence forbids.
Vitiation of kapha pattern (TM2)
ICD-11 MMS v2026-01, Traditional Medicine Module 2 · SR1A, with SR1B-SR1E for accumulation, aggravation, spreading and depletion · classification
Reproduced unaltered and attributed from WHO ICD-11, which is what that licence permits. It is deliberately absent from the downloadable dataset, which is offered under CC BY 4.0 and invites the modification a NoDerivs licence forbids.
phlegm
Charaka Samhita, tr. Kaviratna (1896-1913) · throughout · translation
Kaviratna's uniform rendering; public domain and quotable.
Shleshma / Kapha
Sushruta Samhita, tr. Bhishagratna (1907) · Sutrasthana XV and XXI · translation
Bhishagratna mostly transliterates, using 'phlegm' as a parenthetical, and flags in a footnote that the usual English synonyms differ in meaning.
kapha (potential)
Prasher B et al., J Genet 2016 · PMID 27019453 · paper
Ayurgenomics gloss.
Kapha, Storage (inheritable structure)
Hankey A, Anc Sci Life 2010 · PMID 22557353 · paper
Systems-theoretic gloss; not equivalent to 'potential'.
Diminution of kapha
WHO International Standard Terminologies on Ayurveda (2022) · ITA-5.2.3.5 (kaphakṣayaḥ) · standard
Reproduced unaltered and attributed from the WHO International Standard Terminologies on Ayurveda, which is what that licence permits. It is deliberately absent from the downloadable dataset, which is offered under CC BY 4.0 and invites the modification a NoDerivs licence forbids.
Patience
WHO International Standard Terminologies on Ayurveda (2022) · ITA-2.1.3.8 (kṣamā), described as 'A normal function of kapha' · standard
Worth recording because it shows the standard itself assigning a psychological function to kapha, which no substance rendering can accommodate.
Reproduced unaltered and attributed from the WHO International Standard Terminologies on Ayurveda, which is what that licence permits. It is deliberately absent from the downloadable dataset, which is offered under CC BY 4.0 and invites the modification a NoDerivs licence forbids.
The classical passages
Each citation gives its address so a reader can check it in a printed edition, our account of what the passage establishes, and the result of reading it against its source.
Sushruta SamhitaSutrasthana 15 · checked against the source
The function of the five kinds of Shleshma is to lubricate the interior of the joints (Sandhi-Samshleshana), to contribute to the gloss of the body (Snehana), to aid in the formation of healthy granules in sores (Ropana), to add to the size of the body (Purana), to build fresh tissues (Vrimhana), to impart a pleasant or soothing sensation to the body (Tarpana), to increase its strength (Valakrit), and to give firmness to the limbs (Sthairya-krit), thereby contributing to the welfare of the body by supplying it with its watery element.
Kapha's functions are lubrication, healing, growth, tissue-building, strength and stability. Every one of them is constructive; none is pathological. This is the clearest single refutation of 'phlegm'.
Sushruta SamhitaSutrasthana 21 · checked against the source
The Kapha is white, heavy, oily, slimy and cool. In its normal state, it is possessed of a sweet taste, which is followed by a saline one in its reactionary transformation (chemical reaction) when deranged or vitiated.
The guṇas of kapha, and the normal/deranged taste shift that Ayurvedic diagnosis uses.
Charaka SamhitaSutrasthana 1:61 (Kaviratna prints this as aphorism 80, evidently an OCR error for 60) · checked against the source
Heavy, cold, mild, watery, sweet, stable, and slimy, these attributes of phlegm are cured by objects having adverse attributes.
The seven guṇas of kapha in lawfully quotable English. The printed aphorism number in this scan is corrupt and the verse number is inferred from sequence.
Charaka SamhitaSutrasthana 17:117 · checked against the source
प्राकृतस्तु बलं श्लेष्मा विकृतो मल उच्यते| स चैवौजः स्मृतः काये स च पाप्मोपदिश्यते||११७|| / prākr̥tastu balaṁ ślēṣmā vikr̥tō mala ucyatē| sa caivaujaḥ smr̥taḥ kāyē sa ca pāpmōpadiśyatē||117||
Normal śleṣman is strength and is identified with ojas; vitiated śleṣman is called mala. The single most important verse for kapha, because it makes the normal/abnormal distinction constitutive of the term rather than incidental.
Where this term does work in the theory
One concept record names this term as one of its components, and glosses it there as follows.
- Tridosha: vata, pitta and kapha as the regulatory principles of the body as Kapha
- Principle of cohesion and structure: joint lubrication, unctuousness, stability, healing of sores, bulk. Gunas at Ca. Su. 1.61: guru, shita, mridu, snigdha, madhura, sthira, picchila (heavy, cold, soft, unctuous, sweet, stable, slimy). Sushruta locates five kaphas by seat at Su. Su. 21/14 (amashaya, chest, tongue-root and throat, head, joints) but the Sanskrit of that aphorism names none of them; the names kledaka, avalambaka, bodhaka, tarpaka, shleshaka appear in this record only as Bhishagratna's headings and footnotes, and their first classical occurrence was not established here
Not to be confused with
- śleṣman
- Treated as a synonym by WHO ISTA (ITA-2.1.3.1 gives 'śleṣmā, kapha'). Sushruta uses śleṣman as the primary term and kapha as secondary; some scholastic traditions distinguish them by register rather than reference.
- ojas
- Charaka Sutrasthana 17/117 says normal śleṣman is ojas in the body, yet Sushruta Sutrasthana 15 defines ojas as the essence of all seven dhātus. The two texts do not agree, and the disagreement is unresolved.
- kleda / kledaka
- Kleda is moisture as such; kledaka-kapha is one subtype (WHO ITA-2.1.3.3). Neither is kapha.
- meda (fat) and rasa (plasma/chyle)
- Sushruta Sutrasthana 15 lists rasa, rakta, māṃsa, medas etc. as dhātus, parallel to but distinct from the doṣas. Kapha-increase and medo-increase have different signs.
- kapha prakṛti
- WHO ITA-2.8.5, 'Body constitution with a predominance of kapha'. Constitutional, not a current-state claim.
- mucus / sputum
- A visible secretion. Kapha includes synovial lubrication, tissue anabolism, immunity and patience (WHO ITA-2.1.3.8), none of which is sputum.
Renderings that do not hold
- phlegm. Kaviratna's rendering and the commonest. Assigns the doṣa the properties of one waste product; cannot carry vṛṃhaṇa (tissue building), ropaṇa (wound healing), balakṛt (strength) or kṣamā (patience).
- mucus. Narrower still than 'phlegm' and equally unable to cover the anabolic and psychological functions.
- water. Confuses doṣa with mahābhūta; WHO ISTA names earth and water together as predominant, not water alone.
- the earth element. Same category error in the other direction.
- the stagnant / heavy dosha. Popular-wellness framing that treats kapha as intrinsically undesirable, contradicting Charaka Sutrasthana 17/117, where normal śleṣman is strength and ojas.
Open questions
Recorded rather than resolved. Each one is something this entry cannot currently settle.
- The Charaka 17/117 identification of normal kapha with ojas versus the Sushruta Sutrasthana 15 definition of ojas as the essence of all dhātus is a genuine intertextual conflict; which reading the commentators (Chakrapani, Dalhana) take was not established here.
- No kapha-specific peer-reviewed literature was located.
How to cite this entry
Age Ayurveda Nighantu, kapha
, https://nighantu.ageayurveda.com/lexicon/kapha/, CC BY 4.0.
The whole lexicon is downloadable from the index.
Machine-readable source: Markdown.
Data exported 2026-10-08.
Educational reference only. A term entry explains what a word means and how it has been translated. Nothing here is advice, and nothing here describes how any condition should be treated.