Where does “Ἀριστώνυμος” come from?

Ἀριστώνυμος (Ancient Greek) comes from Ancient Greek ὄνυμα, from Ancient Greek ὄνομα, from Proto-Indo-European h₁nómn̥, from Proto-Indo-European h₃neh₃- — to name.

Ancestry of “Ἀριστώνυμος”, step by step

Ἀριστώνυμος traces back through two separate lines of ancestry.

via Ancient Greek ὄνυμα

Step	Language	Word	Meaning
1	Ancient Greek	ὄνυμα	Doric and Aeolic form of ὄνομᾰ
2	Ancient Greek	ὄνομα	name; fame; noun, in the wide sense: referring to...
3	Proto-Indo-European	h₁nómn̥	name
4	Proto-Indo-European	h₃neh₃-	to name

via Ancient Greek ἄριστος

Step	Language	Word	Meaning
1	Ancient Greek	ἄριστος	best (in multivarious contexts)
2	Proto-Indo-European	h₂éristos	fittest, most fitting, most suitable
3	Proto-Indo-European	h₂er-	to fit, to fix, to put together

Every word from Proto-Indo-European h₃neh₃- →Every word from Proto-Indo-European h₁nómn̥ →Every word from Ancient Greek ὄνομα →