triturate (v.) Look up triturate at Dictionary.com
"grind into powder," 1755, from Late Latin trituratus, past participle of triturare "to thresh, to grind," from Latin tritura "a rubbing, a threshing," from past participle stem of terere "to rub" (from PIE root *tere- (1) "to rub, turn"). Related: Triturated; triturating.