Where does “dev” come from?

dev (French) comes from English dev, from Armenian դեւ, from Old Armenian դեւ, from Old Armenian դէւ, from Proto-Iranian daywáh, from Proto-Indo-Iranian daywás, from Proto-Indo-European deywós, from Proto-Indo-European dyew- — to be bright; sky, heaven.

Ancestry of “dev”, step by step

StepLanguageWordMeaning
1Englishdevdeveloper; development; device
2Armenianդեւdev, demon, evil spirit
3Old Armenianդեւspectre, ghost, spirit; good spirit, angel; evil...
4Old Armenianդէւ
5Proto-Iraniandaywáhdemon; malevolent being
6Proto-Indo-Iraniandaywásgod
7Proto-Indo-Europeandeywósgod
8Proto-Indo-Europeandyew-to be bright; sky, heaven
Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European deywósEvery word from Proto-Indo-Iranian daywás