upa-√ stṛ P. Ā. -stṛṇāti, -stṛṇīte (Ā. 1. sg. -stíre, [RV. ii, 31, 5]; inf. -stíre, [RV. v, 85, 1], &c.; inf. used as Impv. -stṛṇiṣáni, [RV. vi, 44, 6] [cf. gṛnīṣaṇi under √ 1. gṝ]) to spread over, cover with, clothe, wrap up, [RV. i, 162, 16]; [viii, 73, 3]; [ŚBr. xiii]; [ŚāṅkhŚr.]; to spread out under, spread or lay under, scatter under, [RV.]; [AV.]; [ŚBr.] ; to scatter round, surround (the Āhavanīya and Gārhapatya fire with grass), [TBr. iii, 7, 4, 18]; [TS.]; (at sacrifices) to pour out (esp. clarified butter), pour out so as to form a lower layer or substratum, [TS.]; [AitBr.]; [ŚBr.]; [Kauś.]; [Gobh.] &c.