kotya

dhanuḥ-koṭyā — with the front of the bow; SB 1.18.30
koṭyā — with the curved edge; SB 3.13.33
koṭyā — by the edges; SB 3.13.40
koṭyā — by the pointed end; SB 4.16.22
dhanuḥ-koṭyā — by the power of his bow; SB 4.18.29