riot

The story

1. Latin · derived fromrugio“to roar”
2. Old French · derived fromriote“debate”
3. Middle English · inherited fromriot“debauched living, dissipation”
4. English todayriot

From Middle English riot (“debauched living, dissipation”), from Old French riote (“debate”), from rioter (“to quarrel”), perhaps related to riboter or from Latin rugio (“to roar”). Compare French riotte and Occitan riòta.