Where does “stam” come from?

stam (English) comes from Hebrew סְתָ״ם, from Hebrew סִפְרֵי תּוֹרָה.

stam (English): collectively, the Jewish ritual scrolls,...

Definitions

Step	Language	Word	Meaning
1	Hebrew	סְתָ״ם	—
2	Hebrew	סִפְרֵי תּוֹרָה	—

stam — Etymology, Origin & Word History | Etymology Explorer