From ܒܵܒ݂ܸܠ (bāḇil, “Babylon”) + -ܝܐ (-āyā, the attributive adjective ending).
ܒܵܒ݂ܠܵܝܵܐ • (bāḇlāyā) (feminine ܒܵܒ݂ܠܵܝܬܵܐ (bāḇlāytā), plural ܒܵܒ݂ܠܵܝܹ̈ܐ (bāḇlāyē))
