Hangnail

имя существительное заусеница

Большой англо-русский словарь

Hangnail

noun Etymology: by folk etymology from agnail inflammation about the nail, from Middle English, corn on the foot or toe, from Old English angnægl, from ang- (akin to enge tight, painful) + nægl nail — more at anger a bit of skin hanging loose at the side or root of a fingernail

Энциклопедический словарь Мерриама-Вебстера