Where does “woulda” come from?

woulda (English) comes from English would, from Old English wolde, from Old English willan, from Proto-West Germanic willjan, from Proto-Germanic wiljaną, from Proto-Indo-European wélyoyt, from Proto-Indo-European wélyeti, from Proto-Indo-European welh₁- — to choose; to want.

Ancestry of “woulda”, step by step

StepLanguageWordMeaning
1Englishwould"As a past-tense form of will."; "As a modal...
2Old Englishwoldeinflection of willan: ## first/third-person...
3Old Englishwillanto want; to intend; to be willing
4Proto-West Germanicwilljanto want
5Proto-Germanicwiljanąto want
6Proto-Indo-Europeanwélyoyt
7Proto-Indo-Europeanwélyeti
8Proto-Indo-Europeanwelh₁-to choose; to want
Every word from Proto-Indo-European welh₁-
woulda — Etymology, Origin & Word History | Etymology Explorer