Where does “summer” come from?

summer (Old French) comes from Late Latin saumarius, from Latin sagma, from Ancient Greek σάγμα, from Ancient Greek σάττω, from Proto-Indo-European twenk- — to press, squeeze; to squeeze, press, pressure.

summer (Old French): summer pack horse

Definitions

summer pack horse

Ancestry of “summer”, step by step

Step	Language	Word	Meaning
1	Late Latin	saumarius	—
2	Latin	sagma	saddle
3	Ancient Greek	σάγμα	A covering, a clothing; the covering of a shield;...
4	Ancient Greek	σάττω	to stuff quite full, cram, pack; to press close,...
5	Proto-Indo-European	twenk-	to press, squeeze; to squeeze, press, pressure

Every word from Proto-Indo-European twenk- →Every word from Ancient Greek σάττω →Every word from Ancient Greek σάγμα →