The story
- Middle French · derived frompaisible
- Anglo-Norman · derived frompesible
- English todaypeaceable
From Anglo-Norman pesible, peisible, Middle French paisible, from pais (“peace”) + -ible; later remodelled after peace + -able.
First known use, by meaning
- from 14th c. Favouring peace rather than conflict; not aggressive, tending to avoid violence (of people, actions etc.).
- from 14th c. Characterized by peace; peaceful, tranquil.
Etymology from Wiktionary, CC BY-SA 4.0.