- unattached (adj.)
[unattached 词源字典]
- late 15c., "not arrested or seized," from un- (1) "not" + past participle of attach (v.). Meaning "not associated with any body or institution" is recorded from 1796; sense of "single, not engaged or married" is first attested 1874.[unattached etymology, unattached origin, 英语词源]