Where does “سیسم” come from?

سیسم (Ottoman Turkish) comes from Arabic سِمْسِم, from Aramaic שושמא, from Aramaic שומשומא, from Akkadian šamaššammum, from Akkadian šamnum, from Proto-Semitic *šamn- — fat (foodstuff).

Ancestry of “سیسم”, step by step

سیسم traces back through two separate lines of ancestry.

via Arabic سِمْسِم

StepLanguageWordMeaning
1Arabicسِمْسِمsesame
2Aramaicשושמא—
3Aramaicשומשומא—
4Akkadianšamaššammuman oil-producing plant and its seeds, probably sesame
5Akkadianšamnumoil, fat, cream
6Proto-Semitic*šamn-fat (foodstuff)

via Ancient Greek Σήσαμον

StepLanguageWordMeaning
1Ancient GreekΣήσαμονsesame
2Old Aramaicשושמא—
3Old Aramaicשומשומא—
4Akkadian𒃻𒈦𒌑𒈬—

Words derived from “سیسم”

Every word from Proto-Semitic *šamn- →Every word from Akkadian šamnum →Every word from Akkadian šamaššammum →