ava-√ tan -tanoti (ind.p. -tatya) to stretch or extend downwards, [Kauś.]; to overspread, cover, [VarBṛS.], (Imper. 2. sg. P. -tanu [[AV. vii, 90, 3]] or -tanuhi [four times in [RV.]; cf. [Pāṇ. vi, 4, 106] Comm.] Ā. -tanuṣva, [RV. ii, 33, 14]) to loosen, undo (especially a bowstring), [RV.]; [AV.]; [ŚBr.]