英语词汇protrusion的起源、历史背景-英语词源词典

词汇	protrusion
词源	protrusion n. "action of protruding; state of sticking out," 1640s, from French protrusion, noun of action from past-participle stem of Latin protrudere "to push out" (see protrude), or else a similar formation in English. Meaning "that which stands out beyond something adjacent" is by 1704. Entries linking to protrusion protrude v. 1610s, "to thrust forward or onward, to drive along;" 1640s, "to cause to stick out," from Latin protrudere "thrust forward; push out," from pro "forward" (see pro-) + trudere "to thrust, push" (from PIE *treud- "to press, push, squeeze;" see threat). Intransitive meaning "jut out, bulge forth" recorded from 1620s. Related: Protruded; protruding. updated on December 27, 2020
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protrusion n.