Where does “semestre” come from?

semestre (Middle English) comes from Old English sēamestre, from Old English sēam, from Proto-West Germanic saum, from Late Latin sauma, from Latin sagma, from Ancient Greek σάγμα, from Ancient Greek σάττω, from Proto-Indo-European twenk- — to press, squeeze; to squeeze, press, pressure.

Ancestry of “semestre”, step by step

StepLanguageWordMeaning
1Old Englishsēamestreseamstress
2Old Englishsēamseam; a burden
3Proto-West Germanicsaumstitch, seam, hem, edge; a load, burden;...
4Late Latinsaumapacksaddle; burden saddle, burden
5Latinsagmasaddle
6Ancient GreekσάγμαA covering, a clothing; the covering of a shield;...
7Ancient Greekσάττωto stuff quite full, cram, pack; to press close,...
8Proto-Indo-Europeantwenk-to press, squeeze; to squeeze, press, pressure
Every word from Proto-Indo-European twenk-Every word from Ancient Greek σάττωEvery word from Ancient Greek σάγμα