rūkṣa: what the term means and how it is translated

Charaka SamhitaSutrasthana 1:Standard 1.59; Kaviratna prints 58 · checked against the source

Wind, which may be dry, cold, light, subtile, unstable, clear, keen, is cured by objects which have adverse attributes.

Rūkṣa heads the list of Vata's qualities. Sanskrit as retrieved: रूक्षः शीतो लघुः सूक्ष्मश्चलोऽथ विशदः खरः| विपरीतगुणैर्द्रव्यैर्मारुतः सम्प्रशाम्यति||५९|| (https://www.carakasamhitaonline.com/index.php/Deerghanjiviteeya_Adhyaya). 'keen' here is Kaviratna's khara.

Charaka SamhitaSutrasthana 22:Standard 22.10 (second half); Kaviratna prints 7-9 for the block of six definitions · checked against the source

That which brings about dryness, and roughness and paleness is said to be Rukshana.

Rūkṣaṇa (the therapy) is defined by producing raukṣya, kharatva and vaiśadya; shows that rūkṣa is defined by what it does to the body. Sanskrit as retrieved: रौक्ष्यं खरत्वं वैशद्यं यत् कुर्यात्तद्धि रूक्षणम्||१०|| (https://www.carakasamhitaonline.com/index.php/Langhanabrimhaniya_Adhyaya).

Charaka SamhitaSutrasthana 22:Standard 22.14 (second half) to 22.15 (first half); Kaviratna prints 12 · checked against the source

Such things as are dry, productive of lightness, pungent, warm, stable, not slimy, and hard, are generally Rukshana.

Rūkṣa leads the list of rūkṣaṇa qualities. Sanskrit as retrieved: रूक्षं लघु खरं तीक्ष्णमुष्णं स्थिरमपिच्छिलम्||१४|| प्रायशः कठिनं चैव यद्द्रव्यं तद्धि रूक्षणम्| Note the Sanskrit has eight qualities (incl. khara); Kaviratna's English has seven, khara dropped.

Sushruta SamhitaSutrasthana 46:Sanskrit 46.516 per the numbered text on easyayurveda.com; Bhishagratna prints no verse number (vol. 1 pp. 567-568, 'Specific properties of matter') · checked against the source

Parchedness is the opposite of oleaginousness ; it produces stypsis and makes a thing rough to tactual perception.

Sushruta's karma of rūkṣa: opposite of snigdha, stambhana, khara. Sanskrit as retrieved: स्नेहमार्दवकृत् स्निग्धो बलवर्णकरस्तथा| रूक्षस्तद्विपरीतः स्याद्विशेषात् स्तम्भनः खरः||५१६|| (https://www.easyayurveda.com/sushruta-samhitha-sutrasthana-46-annapana-vidhi-adhyaya-regimen-of-food-and-drinks/).

Sushruta SamhitaSutrasthana 42:Sanskrit verse number not established; Bhishagratna prints no verse numbers · checked against the source

The tastes such as sweet, acid and saline are heavy and emollient in their character, while the pungent, astringent and bitter ones are dry and light.

Rūkṣa assigned to katu, kashaya and tikta rasas.