Ἀρίσταιχμος (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 “Ἀρίσταιχμος”, step by step
Ἀρίσταιχμος traces back through two separate lines of ancestry.