cog的词源

英文词源

cog (n.)

c. 1300, "cog wheel;" late 14c., "tooth on a wheel," probably a borrowing from a Scandinavian language (compare Norwegian kugg "cog") and cognate with Middle High German kugel "ball."

中文词源

cog：轮齿

来自PIE*geu, 转，弯，大块，词源同cob, cudgel. 最终可能来自PIE*sker, 转，弯，词源同ring, curve.

该词的英语词源请访问趣词词源英文版：cog 词源，cog 含义。