sprocket的词源

英文词源

sprocket (n.)

1530s, originally a carpenters' word for a piece of timber used in framing, of unknown origin. The meaning "projection from the rim of a wheel that engages the links of a chain" is first recorded 1750.

中文词源

sprocket：链轮，链齿

词源不详，可能来自 PIE*sper,弯，转，词源同 spiral,螺旋的。拼写受 rocket 影响。

该词的英语词源请访问找单词词源英文版：sprocket 词源，sprocket 含义。