Where does “Masorah” come from?

Masorah (English) comes from Hebrew מָסוֹרָה, from Hebrew masóret — tradition.

Ancestry of “Masorah”, step by step

Step	Language	Word	Meaning
1	Hebrew	מָסוֹרָה	—
2	Hebrew	masóret	tradition

Masorah — Etymology, Origin & Word History | Etymology Explorer