Where does “ἀριστεύς” come from?

ἀριστεύς (Ancient Greek) comes from Ancient Greek ἄριστος, from Proto-Indo-European h₂éristos, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

ἀριστεύς (Ancient Greek): chief

Definitions

chief

Ancestry of “ἀριστεύς”, step by step

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 h₂er- →Every word from Proto-Indo-European h₂éristos →Every word from Ancient Greek ἄριστος →