Where does “מדיתא” come from?

מדיתא (Lishana Deni) comes from Aramaic מְדִינְתָּא.

מדיתא (Lishana Deni): city, town

Definitions

Step	Language	Word	Meaning
1	Aramaic	מְדִינְתָּא	—

מדיתא — Etymology, Origin & Word History | Etymology Explorer