aṃsi

corner, edge (= aṃsa2 Vv.78#2 (= aṃsa-bhāga Vv-a.303).

cp. Vedic aśri, aśra, aśani; Gr. α ̓́κρος pointed, α ̓́κρις, also ὀςύς sharp: Lat. ācer sharp. Further connections in Walde Lat. Wtb. under ācer