I'll give you 1 point, bit it's not what I was looking for.

The term I was looking for was:

Cow's tail

it is also called a Deadman.

Wally wrote

Bart Senior wrote:
A "fag end" is the end of a rope that has come unlaid. The
term comes from Middle English, flokken, which means to
flap about.

What is a more common term for this? 1 pt.

Frayed.