Where does “Ἀρίσταιχμος” come from?

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.

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 αἰχμή

StepLanguageWordMeaning
1Ancient Greekαἰχμήpoint of a spear; head of an arrow; war
2Proto-Hellenicaiksmā
Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂éristosEvery word from Ancient Greek ἄριστος