pulley是什么意思（pulley的用法）

大家好，知识小编来为大家讲解下。pulley是什么意思，pulley的用法很多人还不知道，现在让我们一起来看看吧！

一、pulley是什么意思

1、pulley 滑轮

2、来自古法语polie,滑轮，来自拉丁语poliva,来自希腊语polos,轮轴，滑轮，来自PIE*kwel,轮，词源同pole,两极，地轴。

二、pulley的用法

1、pulley

2、pulley: [14] Although pulleys are used for ‘pulling’, there is no etymological connection between the two words. Pulley comes via Old French polie from Vulgar Latin *polidia, which was probably borrowed from the plural of a medieval Greek *polidion, a diminutive form of Greek pólos ‘pole, pivot’ (source of English pole ‘extremity’).=> pole

3、pulley (n.)

4、late 13c., from Old French polie, pulie "pulley, windlass" (12c.) and directly from Medieval Latin poliva, puliva, probably from Medieval Greek *polidia, plural of *polidion "little pivot," diminutive of Greek polos "pivot, axis" (see pole (n.2)). As a verb from 1590s.

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