Where does “Сүриә” come from?

Сүриә (Bashkir) comes from Arabic سُورِيَا, from Akkadian 𒀸𒋩 — Assur.

Ancestry of “Сүриә”, step by step

Step	Language	Word	Meaning
1	Arabic	سُورِيَا	—
2	Akkadian	𒀸𒋩	Assur

Сүриә — Etymology, Origin & Word History | Etymology Explorer