The story
- Latin · derived fromopīniō
- Middle French · derived fromopinion
- Middle English · derived fromopinion
- English todayopinion
From English opine + -ion, from Middle English opinion, opinioun, from Anglo-Norman and Middle French opinion, from Latin opīniō, from opīnor (“to opine”). Displaced native Old English wēna.
Etymology from Wiktionary, CC BY-SA 4.0.