Where does “opinion” come from?

opinion (Old French) comes from Latin opīniō, from Latin -iō, from Proto-West Germanic -jō, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

Ancestry of “opinion”, step by step

StepLanguageWordMeaning
1Latinopīniōopinion, conjecture, imagination, fancy, belief, expectation
2Latin-iō—
3Proto-West Germanic-jōForms agent nouns from verbs
4Proto-Indo-European-yétiCreates intransitive, often deponent,...
5Proto-Indo-Europeanyé-—
6Chichewaiyehe, she

Words derived from “opinion”

Every word from Chichewa iye →Every word from Proto-Indo-European -yéti →Every word from Latin -iō →