英语词汇knob的起源、历史背景-英语词源词典

词汇	knob
词源	knob n. late 14c., knobe, probably from a Scandinavian or German source (compare Middle Low German knobbe "knob," Middle Dutch cnoppe, Dutch knop, Old Frisian knopp, knapp, Old High German knopf, German Knopf "button," Old Norse knyfill "short horn"). Meaning "knoll, isolated round hill" is first recorded 1640s, especially in U.S. For pronunciation, see kn-. Entries linking to knob kn- Middle English spelling of a common Germanic consonant-cluster (in Old English it was graphed as cn-; see K). The sound it represented persists in most of the sister languages, but in English it was reduced to "n-" in standard pronunciation by 1750, after about a century of weakening and fading. It was fully voiced in Old and Middle English. door-knob n. also doorknob, "the handle by which a door is opened," 1829, American English, from door + knob. kn-door-knob (n.)gnarled (adj.)knobby (adj.)knub (n.)nob (n.1)nub (n.) updated on March 22, 2016
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knob n.