ܥܝܵܕܵܝܵܐ (ˁyādāyā, “customary, usual”) + -ܐܝܼܬ (-ʾīṯ, “the adverbial suffix”)
ܥܝܵܕܵܐܝܼܬ݂ • (ˁyādāˀīṯ)