Where does “overinformal” come from?

overinformal (English) comes from English informal, from English formal, from Middle English formel, from Old French formel, from Latin formālis, from French -ïsme, from Latin -isma, from Latin -ismus — Creates action/result nouns from verb stems.

overinformal (English): Excessively informal

Definitions

  1. Excessively informal

Ancestry of “overinformal”, step by step

overinformal traces back through two separate lines of ancestry.

via English informal

StepLanguageWordMeaning
1EnglishinformalNot formal or ceremonious; Not in accord with the...
2EnglishformalBeing in accord with established forms; Official;...
3Middle Englishformel
4Old Frenchformel
5Latinformālisformal
6French-ïsme-ism, variant of -isme following vowels
7Latin-ismaAlternative form of -ismus; -ism
8Latin-ismus-ism
9Ancient Greek-ισμόςForms abstract nouns
10Ancient Greek-μόςForms abstract nouns
11Proto-Indo-European-mósCreates action/result nouns from verb stems

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 -mósEvery word from French -ïsmeEvery word from Ancient Greek -μός
overinformal — Etymology, Origin & Word History | Etymology Explorer