falling against
Abhinipāta (-matta) destroying, hurting (?) at Vibh 321 is explained by āpātha-matta [cf. Divy 125 śastrabhinipāta splitting open or cutting with a knife].
【陽】 ~tana,【中】跌落，沖闖，攻擊。~pātī,【形】落下。
(masc, masc) falling against, rushing on, attacking, engagement, conjunction Construction: abhi + ni + √pat +