From ܡܸܚܕ݂ܵܐ (miḥḏā, “at once, immediately”) + -ܝܐ (-āyā, the attributive adjective ending).
ܡܸܚܕ݂ܵܝܵܐ • (miḥḏāyā) (feminine ܡܸܚܕ݂ܵܝܬܵܐ (miḥḏāytā), plural ܡܸܚܕ݂ܵܝܹ̈ܐ (miḥḏāyē))