Where does “costar” come from?

costar (Old Occitan) comes from Latin constō, from Proto-Italic komstaēō — literally to stand together.

Ancestry of “costar”, step by step

StepLanguageWordMeaning
1Latinconstōto stand together
2Proto-Italickomstaēōliterally to stand together

Words derived from “costar

Every word from Proto-Italic komstaēōEvery word from Latin constō
costar — Etymology, Origin & Word History | Etymology Explorer