Where does “overfavor” come from?

overfavor (English) comes from English favor, from Middle English favour, from Anglo-Norman favour, from Old French favor, from Latin favor, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs — Creates action nouns or result nouns from verbs;...

overfavor (English): To favor excessively; to treat with undue preference

Definitions

  1. To favor excessively; to treat with undue preference

Ancestry of “overfavor”, step by step

overfavor traces back through two separate lines of ancestry.

via English favor

StepLanguageWordMeaning
1EnglishfavorA kind or helpful deed; an instance of...
2Middle Englishfavourgoodwill, benevolent regard
3Anglo-NormanfavourLate Anglo-Norman spelling of favor
4Old Frenchfavor
5Latinfavorgood will, inclination, partiality, favor;...
6Latin-orused to form a third-declension masculine...
7Proto-Italic-ōsCreates masculine action nouns or result nouns...
8Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
9Proto-Indo-European-oss
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English over

StepLanguageWordMeaning
1EnglishoverDiscontinued; ended or concluded; Thoroughly;...
2Middle Englishoverriverbank, seashore, brink
3Old Englishōferriverbank, seashore, brink, edge, margin, border
4Proto-West Germanicobarover, above
5Proto-Germanicuberover; over, above
6Proto-Indo-Europeanupérabove; over
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Latin favor