Where does “Ἀρίσταρχος” come from?

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

Ancestry of “Ἀρίσταρχος”, step by step

Ἀρίσταρχος traces back through two separate lines of ancestry.

via Ancient Greek ἄριστος

StepLanguageWordMeaning
1Ancient Greekἄριστοςbest (in multivarious contexts)
2Proto-Indo-Europeanh₂éristosfittest, most fitting, most suitable
3Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via Ancient Greek ἀρχός

StepLanguageWordMeaning
1Ancient Greekἀρχόςruler, leader, prince

Words derived from “Ἀρίσταρχος”

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