trit-
(Latin: to rub; to thresh, to grind; to wear away; from tritus, past participle of terere, "to rub")
Don't confuse this trit- with another trit- which means "third".
Cross references of word families that are related directly, or indirectly, to: "rub, rubbing; wear away; wipe": bruxo, brux-; frica-, frict-; terg-; tribo-; -tripsy.