warg

The story

1. Old Norse · learned borrowing fromvargr“wolf”
2. English todaywarg

Learned borrowing from Old Norse vargr (“wolf”), reintroduced by J. R. R. Tolkien; compare also Old English wearg. The verb senses emerged from the use of warg in George R. R. Martin's A Song of Ice and Fire novels as a noun referring to a person with a magical skin-changing ability.

First known use, by meaning

• from 20th c. A type of particularly wild or hostile wolf.