Where does “ανεκτός” come from?

ανεκτός (Greek) comes from Ancient Greek ἀνεκτός, from Ancient Greek ἀνέχω, from Ancient Greek ἔχω, from Proto-Hellenic hékʰō, from Proto-Indo-European seǵʰ- — to hold; to overpower.

ανεκτός (Greek): bearable, tolerable