The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱómder.?
- Proto-Indo-European*sem-der.?
- Proto-Hellenic*ksún
- Ancient Greekσύν (sún)
- Ancient Greekσῠν- (sŭn-)
- English todaysyn-
From Ancient Greek συν- (sun-), from σύν (sún, “with, in company with, together with”). Compare Sanskrit सम्- (sam-).
Words from the same roots
Ancient Greekσυν- all →
synsymplesitesyncerebrumsynzeugma
Etymology from Wiktionary, CC BY-SA 4.0.