Where does “Ἀρισταίνετος” come from?

Ἀρισταίνετος (Ancient Greek) comes from Ancient Greek αἰνετός, from Ancient Greek αἰνέω, from Ancient Greek -έω, from Proto-Indo-European -éyeti, from Proto-Indo-European -yeti — Creates transitive imperfective verbs from roots.

Ancestry of “Ἀρισταίνετος”, step by step

Ἀρισταίνετος traces back through two separate lines of ancestry.

via Ancient Greek αἰνετός

Step	Language	Word	Meaning
1	Ancient Greek	αἰνετός	praiseworthy
2	Ancient Greek	αἰνέω	I tell of, speak of
3	Ancient Greek	-έω	Used to form verbs from nouns, adjectives and...
4	Proto-Indo-European	-éyeti	Forms causative imperfective verbs from roots;...
5	Proto-Indo-European	-yeti	Creates transitive imperfective verbs from roots

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 -yeti →Every word from Ancient Greek -έω →Every word from Proto-Indo-European -éyeti →