Where does “Mizrachi” come from?

Mizrachi (English) comes from Hebrew מזרחי, from Hebrew מזרח — east.

Ancestry of “Mizrachi”, step by step

Step	Language	Word	Meaning
1	Hebrew	מזרחי	Eastern, oriental: of the east
2	Hebrew	מזרח	east

Mizrachi — Etymology, Origin & Word History | Etymology Explorer