Where does “celestial” come from?

celestial (Middle English) comes from Old French celestial, from Medieval Latin caelestialis, from Latin caelestis, from Latin caelum, from Proto-Italic kailom, from Proto-Indo-European keh₂i-lom, from Proto-Indo-European keh₂i-.

Ancestry of “celestial”, step by step

StepLanguageWordMeaning
1Old Frenchcelestial
2Medieval Latincaelestialiscelestial
3Latincaelestiscelestial, of or in the heavens, heavenly;...
4Latincaelumheaven; sky; atmosphere, climate, weather
5Proto-Italickailomsky
6Proto-Indo-Europeankeh₂i-lomwhole
7Proto-Indo-Europeankeh₂i-

Words derived from “celestial

Every word from Proto-Indo-European keh₂i-