Where does “over-celebrate” come from?

over-celebrate (English) comes from English over, from Middle English over, from Old English ōfer, from Proto-West Germanic obar, from Proto-Germanic uber, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “over-celebrate”, step by step

over-celebrate traces back through two separate lines of ancestry.

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-

via English celebrate

StepLanguageWordMeaning
1EnglishcelebrateTo extol or honour in a solemn manner; To honour...
2Middle Englishcelebraten
3Latincelebratusthronged; frequented; employed; repeated;...
4Latincelebrōto go to a place or person in large numbers or often; throng, frequent, fill
5Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
6Proto-Indo-EuropeanDerives nouns from roots
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Indo-European upér