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单词 Indo-European root: kō-
释义
‌‌kō-
To sharpen, whet. Oldest form *k̑eə3, colored to *k̑oə3, contracted to *k̑ō‑ (becoming *kō‑ in centum languages).
  1. Suffixed extended form *koəi-no‑. hone1, from Old English hān, stone, from Germanic *hainō.
  2. Possibly Greek kōnos, cone, conical object (< "a sharp-pointed object") cone, conic; conifer, conodont.
[Pokorny k̑ē(i)‑ 541.]
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