Where does “سمت‌الرأس” come from?

سمت‌الرأس (Persian) comes from Arabic سَمْتُ الرَّأْس.

سمت‌الرأس (Persian): zenith

Definitions

Step	Language	Word	Meaning
1	Arabic	سَمْتُ الرَّأْس	—

سمت‌الرأس — Etymology, Origin & Word History | Etymology Explorer