The story
- Middle French · derived fromraton
- Anglo-Norman · derived fromratoun
- Middle English · inherited fromratoun
- English todayratton
From Middle English ratoun, from Anglo-Norman ratoun and Middle French raton, corresponding to rat + -oon.
First known use, by meaning
- from 14th c. A rat.
Etymology from Wiktionary, CC BY-SA 4.0.