Where does “देवभाषा” come from?

देवभाषा (Sanskrit) comes from Sanskrit देव, from Proto-Indo-Iranian daywás, from Proto-Indo-European deywós, from Proto-Indo-European dyew- — to be bright; sky, heaven.

देवभाषा (Sanskrit): Sanskrit

Definitions

Sanskrit

Ancestry of “देवभाषा”, step by step

देवभाषा traces back through two separate lines of ancestry.

via Sanskrit देव

Step	Language	Word	Meaning
1	Sanskrit	देव	heavenly, divine, also said of terrestrial things...
2	Proto-Indo-Iranian	daywás	god
3	Proto-Indo-European	deywós	god
4	Proto-Indo-European	dyew-	to be bright; sky, heaven

via Sanskrit भाषा

Step	Language	Word	Meaning
1	Sanskrit	भाषा	speech, language; any Prakrit dialect or a...
2	Sanskrit	भाष	—

Every word from Proto-Indo-European dyew- →Every word from Proto-Indo-European deywós →Every word from Proto-Indo-Iranian daywás →