AphDem14.261:9 :ܠܒܝ̈ܫܝ ܦܕܬܐ܂ ܘܥܛܝ̈ܦܝ ܦܪܝܣܐ܂ ܘܡܚܙ̈ܩܝ ܒܘܨܐ܂ ܘܡܨܒ̈ܬܝ ܒܐܪ̈ܓܘܢܐ‏ : those dressed in the ephod, wrapped in priestly garb, girded in linen, and decorated with purple
See the entire entry for būṣ, būṣā n.m. byssus, fine linen

AphDem14.261:9 :ܘܡܚܙ̈ܩܝ ܒܘܨܐ‏ :
See the entire entry for ḥzq vb. to gird; to depart