Where does “dea” come from?

dea (Lombard) comes from Latin Dea, from Old Latin deiva, from Proto-Italic deiwā, from Proto-Italic deiwos, from Proto-Indo-European deywós, from Proto-Indo-European dyew- — to be bright; sky, heaven.

Ancestry of “dea”, step by step

StepLanguageWordMeaning
1LatinDeagoddess
2Old Latindeivagoddess, deity
3Proto-Italicdeiwāgoddess
4Proto-Italicdeiwosgod, deity
5Proto-Indo-Europeandeywósgod
6Proto-Indo-Europeandyew-to be bright; sky, heaven
Every word from Proto-Indo-European dyew- →Every word from Proto-Indo-European deywós →Every word from Proto-Italic deiwos →