Where does “abat-jour” come from?

abat-jour (French) comes from French jour, from Middle French jour, from Old French jor, from Latin diurnum, from Latin diurnus, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous — to be bright; sky, heaven.

abat-jour (French): lampshade; eyeshade; skylight

Definitions

  1. lampshade; eyeshade; skylight

Ancestry of “abat-jour”, step by step

abat-jour traces back through two separate lines of ancestry.

via French jour

StepLanguageWordMeaning
1Frenchjourday; daylight, light; opening, aperture
2Middle Frenchjourdaylight
3Old Frenchjorday
4Latindiurnummasculine accusative singular of diurnus; neuter...
5Latindiurnusof the day; daily; day
6LatindiēsA day, particularly
7Proto-Italicdjēmaccusative singular of *djous
8Proto-Italic*djous
9Proto-Indo-Europeandyḗwssky, heaven; sky god
10Proto-Indo-Europeandyéwssky, heaven
11Proto-Indo-Europeandyew-to be bright; sky, heaven

via French abattre

StepLanguageWordMeaning
1Frenchabattreto butcher; to slaughter for meat; to shoot dead;...
2Middle Frenchabbatreto knock down
3Old Frenchabatreto knock over; to knock down; to destroy; to...
4Late Latinabbatto
5Latinbattōto beat att. from 2nd c. CE
6Latinbattuōto beat, hit, pound, beat up, strike

Words derived from “abat-jour

Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws