Where does “ξυμμένω” come from?

ξυμμένω (Ancient Greek) comes from Ancient Greek σῠν-, from Ancient Greek σύν, from Proto-Hellenic *ksún — beside, with.

Ancestry of “ξυμμένω”, step by step

StepLanguageWordMeaning
1Ancient Greekσῠν-together; with, together
2Ancient Greekσύνbeside, with
3Proto-Hellenic*ksúnbeside, with
Every word from Proto-Hellenic *ksún →Every word from Ancient Greek σῠν- →Every word from Ancient Greek σύν →