英语词汇trident的起源、历史背景-英语词源词典

词汇	trident
词源	trident n. "three-pointed spear," mid-15c., from Latin noun use of adjective tridentem (nominative tridens) "three-pronged, three-toothed," from tri- "three" (see tri-) + dens "tooth" (from PIE root dent- "tooth"). As a type of U.S. nuclear-powered submarine, recorded from 1972. Related: Tridental. Entries linking to trident* tri- word-forming element meaning "three, having three, once every three," from Latin tres (neuter tria) or Greek treis, trias "three" (see three). *dent- Proto-Indo-European root meaning "tooth." It forms all or part of: al dente; dandelion; dental; dentifrice; dentist; dentition; denture; glyptodon; indent (v.1) "to make notches;" mastodon; orthodontia; periodontal; teethe; tooth; toothsome; tusk; trident. It is the hypothetical source of/evidence for its existence is provided by: Sanskrit danta, Greek odontos (gen.), Latin dens, Lithuanian dantis, Old Irish det, Welsh dent, Old English toð, German Zahn, Gothic tunþus "tooth." updated on May 11, 2017
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trident n.