Where does “-genos” come from?

-genos (Proto-Italic) comes from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

Ancestry of “-genos”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	ǵenh₁-	to produce, to beget, to give birth

-genos — Etymology, Origin & Word History | Etymology Explorer