Where does “Denis” come from?

Denis (Old French) comes from Latin Dionȳsius, from Ancient Greek Διονύσιος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Denis”, step by step

StepLanguageWordMeaning
1LatinDionȳsiustyrant of Syracuse
2Ancient GreekΔιονύσιος—
3Ancient Greek-ῐοςbelonging to; of”, “belonging to”, “pertaining to
4Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “Denis”

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek Διονύσιος →