Where does “lucarne” come from?

lucarne (Middle French) comes from Old French lucanne, from Frankish lūkinna, from Proto-Germanic lūkinjō, from Proto-Germanic lūkaną, from Proto-Indo-European lewǵ- — to break, tear; to break, shatter.

Ancestry of “lucarne”, step by step

StepLanguageWordMeaning
1Old Frenchlucanneopening in the roof of a house, skylight, loft
2Frankishlūkinnaopening closed by a valve, flap
3Proto-Germaniclūkinjōaperture, window
4Proto-Germaniclūkanąto close, to shut; Alternative form of *leukaną
5Proto-Indo-Europeanlewǵ-to break, tear; to break, shatter

Words derived from “lucarne”

Every word from Proto-Indo-European lewǵ- →Every word from Proto-Germanic lūkaną →Every word from Proto-Germanic lūkinjō →
lucarne — Etymology, Origin & Word History | Etymology Explorer