From ܪܵܘܒܵܐ (rāwbā, “noise”) + -ܢܐ (-ānā, the adjectival ending).
ܪܵܘܒܵܢܵܐ • (rāwbānā) (feminine ܪܵܘܒܵܢܝܼܬ݂ܵܐ (rāwbānīṯā), plural ܪ̈ܵܘܒܵܢܹܐ (rāwbānē))