pramāṇa: what the term means and how it is translated
pramāṇa प्रमाण is an Ayurvedic technical term. It is rendered into English in 6 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 | pramāṇa |
|---|---|
| Devanagari | प्रमाण |
| Also written | pramāṇam, pramāṇaḥ, śarīrapramāṇa |
| Category, as gathered | prakriti |
| Grouped here under | Regimen and constitution |
| Classical citations | 5 |
| 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.
Body measurements
WHO International Standard Terminologies on Ayurveda (2022) · ITA-3.1.5 (pramāṇam) · standard
'Measurements of the whole or part of the body usually described in proportions based on the width of an individual's fingers.' The word 'individual's' is crucial: the unit is the patient's own finger, so the scale is relative.
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.
Proof, means of valid cognition or knowledge
WHO International Standard Terminologies on Ayurveda (2022) · ITA-1.8.3 (pramāṇaḥ) · standard
The epistemological sense with its own entry in the methods chapter, listing pratyakṣa, āptopadeśa, anumāna, yukti and upamāna. WHO documents the homonym explicitly, in two chapters, with two genders of the same stem.
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.
measurement of body constituents
WHO International Standard Terminologies on Ayurveda (2022) · ITA-4.7.5 item 5 · standard
A third English; 'constituents' is odd, since Vi 8/117 measures limbs and regions, not constituents.
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.
dimensions
Charaka Samhita, tr. Kaviratna (1896-1913) · Vimanasthana 8 · translation
His word for the examination item.
the exact measures of the different limbs and members of the body
Sushruta Samhita, tr. Bhishagratna (1907-1916) · Sutrasthana XXXV · translation
Descriptive rather than terminological, and explicitly tied to prognosis of lifespan.
anthropometry
Indian Ayurvedic college usage · textbook · our paraphrase of the source, not its words
Defensible for the content, but it imports a population-normed discipline where the classical unit is the patient's own finger.
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.
Charaka SamhitaVimanasthana 8:117 · checked against the source
pramāṇataścēti śarīrapramāṇaṁ punaryathāsvēnāṅgulipramāṇēnōpadēkṣyatē utsēdhavistārāyāmairyathākramam| … kēvalaṁ punaḥ śarīramaṅguliparvāṇi caturaśītiḥ| tatrāyurbalamōjaḥ sukhamaiśvaryaṁ vittamiṣṭāścāparē bhāvā bhavantyāyattāḥ pramāṇavati śarīrē; viparyayastvatō hīnē'dhikē vā||117||
Measurement is in the patient's own aṅgula, by height, breadth and length; the whole body is 84 aṅgula-parvas. Longevity, strength, ojas, happiness and wealth are said to depend on correct proportion, and the reverse follows for a body under OR over the measure. The ellipsis replaces the limb-by-limb table, reproduced in full at the cited URL.
Charaka SamhitaVimanasthana 8:117 · checked against the source
Next, as regards (examination of the patient by his) dimensions : Instructions are now to be given as regards the dimensions of the body measured by one's fingers. The height, the breadth (including circumference) and length, in their order.
Public-domain English for the opening of Vi 8/117. Kaviratna's footnote totals the heights (foot 4, leg 18, knee 4, thigh 18, lower spine 12, back 18, neck 4, head 6) to 84 aṅgulas, three and a half cubits.
Sushruta SamhitaSutrasthana 35 · checked against the source
We shall now give the exact measures of the different limbs and members of the body for the better ascertainment of the duration of life of a patient under investigation.
Sushruta frames body measurement explicitly as lifespan prognosis, not as a constitutional descriptor. No verse numbers on the retrieved page.
Sushruta SamhitaSutrasthana 35 · checked against the source
The entire length of a male human body should be a hundred and twenty fingers.
A flat contradiction with Charaka Vi 8/117, which gives 84 aṅgulas. Both are in retrieved public-domain texts and neither can be quietly preferred. The clearest example in this term group of why the lexicon records disagreement rather than resolving it.
Sushruta SamhitaSutrasthana 35 · checked against the source
The dimensions of the different limbs and members of the body, laid down above, should be understood as to have been measured by the standard of one's (man's or woman's) own finger's width, and a person, whose limbs and organs are found to correspond to the above-said measures, is sure to live to a good and hearty old age
Confirms the self-referential aṅgula unit in Sushruta and extends it explicitly to women, which matters, because the 84 vs 120 discrepancy is sometimes explained away as a male/female difference and this passage does not support that.
Not to be confused with
- pramāṇa (epistemology)
- The decisive disambiguation, and one WHO documents by carrying both senses. Vimana 8 uses pramāṇa in a third way too, in balapramāṇa at verse 94.
- pramā
- WHO ITA-1.8.2, 'Knowledge: Valid knowledge', the result, where pramāṇa is the means.
- aṅgula
- The unit, not the measurement, and it is the patient's own; two correctly measured patients can differ in absolute centimetres.
- saṃhanana
- Pramāṇa asks whether the parts are the right size; saṃhanana whether they are well put together.
- mātrā
- Also Englished as 'measure', but used for dose and food quantity, never for body proportion.
Renderings that do not hold
- anthropometry. Implies measurement against population norms in fixed units; the classical procedure normalises every patient to his own finger, the opposite methodological move.
- height. Vi 8/117 gives utsedha, vistāra and āyāma for each part, not a single stature.
- body mass or build. No criterion here concerns mass, and Vi 8/115 immediately before rejects reading strength off body size.
- proof or evidence, in a clinical passage. The epistemological sense imported into Vi 8/117 makes nonsense of a passage about finger-widths.
Open questions
Recorded rather than resolved. Each one is something this entry cannot currently settle.
- Is the 84 vs 120 aṅgula discrepancy discussed by the commentators, and on what grounds is either preferred?
- Has anyone tested the lifespan claim attached to correct proportion? Nothing found.
How to cite this entry
Age Ayurveda Nighantu, pramāṇa
, https://nighantu.ageayurveda.com/lexicon/pramana/, 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.