Where does “self-opinion” come from?

self-opinion (English) comes from English opinion, from Middle English opinion, from Middle French opinion, from Latin opīniō, from Latin -iō, from Proto-West Germanic -jō, from Proto-Indo-European -yéti, from Proto-Indo-European yé- — he, she.

self-opinion (English): One's own opinion; Exalted opinion of oneself;...

Definitions

  1. One's own opinion; Exalted opinion of oneself;...

Ancestry of “self-opinion”, step by step

self-opinion traces back through two separate lines of ancestry.

via English opinion

StepLanguageWordMeaning
1EnglishopinionA belief, judgment or perspective that a person...
2Middle Englishopinion
3Middle Frenchopinionopinion thought, estimation
4Latinopīniōopinion, conjecture, imagination, fancy, belief, expectation
5Latin-iō
6Proto-West Germanic-jōForms agent nouns from verbs
7Proto-Indo-European-yétiCreates intransitive, often deponent,...
8Proto-Indo-Europeanyé-
9Chichewaiyehe, she

via English Self

StepLanguageWordMeaning
1EnglishSelfHimself, herself, itself, themself, themselves; that specific (person mentioned)
2Middle EnglishsalveAlternative form of sauf
3Old Englishsealfsalve
4Proto-West Germanicsalbusalve, ointment
5Proto-Germanicsalbōsalve, ointment
6Proto-Indo-Europeansolp-éh₂
7Proto-Indo-Europeanselp-fat, oil
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Latin -iō