Where does “ἀριστερός” come from?

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

ἀριστερός (Ancient Greek): left; ominous, ill boding; clumsy, awkward

Definitions

left; ominous, ill boding; clumsy, awkward

Ancestry of “ἀριστερός”, 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

Words derived from “ἀριστερός”

αριστερός

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