Where does “ζυγαριά” come from?

ζυγαριά (Greek) comes from Greek ζυγός, from Ancient Greek ζυγόν, from Proto-Hellenic dzugón, from Proto-Indo-European yugóm, from Proto-Indo-European yewg- — to join, to yoke, to tie together.

ζυγαριά (Greek): scales, balance, pair of scales; balance