Where does “جلس” come from?

جلس (Arabic) comes from Arabic جَلَسَ, from Arabic ل, from Proto-Semitic *lV-.

جلس (Arabic): to sit

Definitions

Step	Language	Word	Meaning
1	Arabic	جَلَسَ	to sit; sit
2	Arabic	ل	to, for, belonging to; لَـ •; Used to express...
3	Proto-Semitic	*lV-	—

جلس — Etymology, Origin & Word History | Etymology Explorer