The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱómder.?
- Proto-Indo-European*sem-der.?
- Proto-Hellenic*ksún
- Ancient Greekσύν (sún)
- Ancient Greekσυν- (sun-)
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*dʰédʰeh₁ti
- Ancient Greekτίθημι (títhēmi)
- Ancient Greekσῠντῐ́θημῐ (sŭntĭ́thēmĭ)
- Ancient Greekσύνθεσις (súnthesis)
- Latinsynthesis
- English todaysynthesis
From Latin synthesis, from Ancient Greek σύνθεσις (súnthesis, “a putting together; composition”), from συντίθημι (suntíthēmi, “put together, combine”), from συν- (sun-, “together”) + τίθημι (títhēmi, “set, place”). Doublet of sandhi.
Etymology from Wiktionary, CC BY-SA 4.0.