Where does “σύνθεση” come from?

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

σύνθεση (Greek): composition; synthesis; composition, musical work

Definitions

composition; synthesis; composition, musical work

Ancestry of “σύνθεση”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	σύνθεσις	a putting together, composition, combination,...
2	Ancient Greek	συντίθημι	to assemble, put together
3	Ancient Greek	σῠν-	together; with, together
4	Ancient Greek	σύν	beside, with
5	Proto-Hellenic	*ksún	beside, with

Every word from Proto-Hellenic *ksún →Every word from Ancient Greek σῠν- →Every word from Ancient Greek συντίθημι →