energy (both bodily and mental), strength, health, vigour, power, might, [RV.]; [AV.]; [VS.] (often with bṛhát; with √ dhā and dat. or loc. of pers. ‘to bestow vigour or might on’)
vigorous age, youth, prime of life, any period of life, age, [RV.] &c. &c. (sarvāṇi vayāṃsi, animals of any age; vayasānvita or vayasātīta, aged, old)
vayasyā̀ (ā̀), f. a female friend, a woman's confidante, [Mṛcch.]; [Kathās.]
(scil. iṣṭakā) N. of 19 bricks used for building the sacrificial altar (so called from the word vayas in the formula of consecration), [TS.]; [Kāṭh.]; [Br.]