aruMtuda a. [ arUMzi marmARi tudati ; arus-tud, KaS mumAgamaSca P. III. 2. 35 ; VI. 3. 67 ] 1 Cutting or wounding the vital parts, inflicting wounds, corrosive, painful, sharp ( fig. also); caustic; aruMtudamivAlAnamanirvARasya daMtinaH R. 1. 71 ; Ki. 14. 55 ; Śi. 2. 109. 2 Acrimonious, sour (disposition); Ms. 2. 161.