hang·nail
noun/ˈhæŋneɪl/
/ˈhæŋneɪl/
- a piece of skin near the bottom or at the side of your nail that is loose and painful
（指甲根部或两侧的）倒刺 Word Originlate 17th cent.: alteration of agnail ‘painful swelling around a nail’ (from Old English angnægl, denoting a corn on the toe), influenced by hang.