swift是什么意思（swift的用法）

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

一、swift是什么意思

1、swift 迅速的，敏捷的

2、来自古英语 swift,快速的，来自 Proto-Germanic*swiftaz,快速的，来自 PIE*sweip,缠绕，弯曲， 来自 PIE*swei,弯，转，摇摆，词源同 swing,sweep.引申诸相关词义。

二、swift的用法

1、swift

2、swift: [OE] The etymological meaning of swift appears to be ‘moving along a course’; ‘speed’ is a secondary development. It goes back ultimately to the prehistoric Germanic base *swei- ‘swing, bend’, which also produced English sweep, swivel [14], and the long defunct swive ‘copulate with’ (a descendant of Old English swīfan ‘move in a course’). Its use as a name for the fast-flying swallow-like bird dates from the 17th century.=> sweep, swivel

3、swift (adj.)

4、Old English swift "moving quickly," perhaps originally "turning quickly," from Proto-Germanic swip- (see swivel (n.)). Related: Swiftly; swiftness.

5、swift (n.)

6、type of bird (several species of the family Cypselidæ, resembling swallows), 1660s, from swift (adj.) in reference to its swift flight. Regarded as a bird of ill-omen, if not downright demonic, probably for its shrill cry. The name earlier had been given to several small fast lizards (1520s).

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