Where does “Shem HaMephorash” come from?

Shem HaMephorash (English) comes from Hebrew הַשֵּׁם הַמְפוֹרָשׁ.

Ancestry of “Shem HaMephorash”, step by step

Step	Language	Word	Meaning
1	Hebrew	הַשֵּׁם הַמְפוֹרָשׁ	—

Shem HaMephorash — Etymology, Origin & Word History | Etymology Explorer