Words related to obtuse
word-forming element meaning "toward; against; before; near; across; down," also used as an intensive, from Latin ob (prep.) "in the direction of, in front of, before; toward, to, at, upon, about; in the way of; with regard to, because of," from PIE root *epi, also *opi "near, against" (see epi-).
c. 1400, "act of beating or bruising; a bruise, an injury to the body without apparent wound or fracture," from Latin contusionem (nominative contusio) "a crushing, breaking, battering," in medical language, "a bruise," noun of action from past-participle stem of contundere "to beat, bruise, grind, crush, break to pieces," from assimilated form of com-, here perhaps an intensive prefix (see com-), + tundere "to beat" (see obtuse).
c. 1300 (c. 1200 as a surname), percen, "make a hole in; force one's way through; thrust through with or as with a sharp or pointed instrument," from Anglo-French perser, Old French percier "pierce, transfix, drive through" (12c., Modern French percer), probably from Vulgar Latin *pertusiare, frequentative of Latin pertusus, past participle of pertundere "to thrust or bore through," from per "through" (from PIE root *per- (1) "forward," hence "through") + tundere "to beat, pound," from PIE *tund-, from root *(s)teu- "to push, strike, knock, beat, thrust" (see obtuse). Related: Pierced; piercing.