Where does “ܡܪܬܐ” come from?

ܡܪܬܐ (Classical Syriac) comes from Classical Syriac ܡܪܐ, from Aramaic מרא, from Akkadian 𒄑𒈥.

ܡܪܬܐ (Classical Syriac): lady, mistress, ruler; princess, governess,...