Where does “festival” come from?

festival (Old French) comes from Latin fēstīvālis, from Latin fēstīvus, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

Ancestry of “festival”, step by step

festival traces back through two separate lines of ancestry.

via Latin fēstīvālis

StepLanguageWordMeaning
1LatinfēstīvālisOf or pertaining to a festival
2Latinfēstīvuslively, festive, joyous, gay, merry
3Latin-īvusAdjective suffix
4Proto-Indo-European-iHwós
5Proto-Indo-European-wósCreates adjectives from verb stems

via Late Latin festivalis

StepLanguageWordMeaning
1Late LatinfestivalisOf or pertaining to a festival; Of or pertaining...

Words derived from “festival

Every word from Proto-Indo-European -wósEvery word from Latin -īvusEvery word from Latin fēstīvus