brigand

The story

1. Italian · derived frombriga“trouble, bother”
2. Old French · derived frombrigand“foot soldier”
3. Middle English · inherited frombrigaunt
4. English todaybrigand

From Middle English brigaunt, bregaund circa 1400, from Old French brigand (“foot soldier”) attested from 1421, from Italian briga (“trouble, bother”), perhaps ultimately of Proto-Germanic or Celtic origin.