Where does “Ἀντίγονος” come from?

Ἀντίγονος (Ancient Greek) comes from Ancient Greek γόνος, from Proto-Indo-European ǵónh₁os, from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

Ancestry of “Ἀντίγονος”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	γόνος	That which is begotten: child, grandchild,...
2	Proto-Indo-European	ǵónh₁os	birth; offspring
3	Proto-Indo-European	ǵenh₁-	to produce, to beget, to give birth

Every word from Proto-Indo-European ǵenh₁- →Every word from Proto-Indo-European ǵónh₁os →Every word from Ancient Greek γόνος →