Where does “شمس” come from?

شمس (Malay) comes from Arabic شَمْس, from Proto-Semitic śamš- — the Sun.

Ancestry of “شمس”, step by step

Step	Language	Word	Meaning
1	Arabic	شَمْس	sun
2	Proto-Semitic	śamš-	the Sun

شمس — Etymology, Origin & Word History | Etymology Explorer