|Origin:||frayer, from Latin fricare; FRICTION|
fray1 [intransitive and transitive]
if cloth or other material frays, or if something frays it, the threads become loose because the material is old:
The collar had started to fray on Ed's coat.
He had frayed the bottom of his jeans.
if someone's temper or nerves fray, or if something frays them, they become annoyed:
Tempers soon began to fray.
The carpet was badly frayed.