From ܫܒ݂ܵܒ݂ܵܐ (šḇāḇā, “neighbour”) + -ܝܐ (-āyā, the attributive adjective ending).
ܫܒ݂ܵܒ݂ܵܝܵܐ • (šḇāḇāyā) (feminine ܫܒ݂ܵܒ݂ܵܝܬܵܐ (šḇāḇāytā), plural ܫܒ݂ܵܒ݂ܵܝܹ̈ܐ (šḇāḇāyē))