IshExod 7:19 :ܘܠܐ ܫܠܝܛܝܢ ܟܗ̈ܢܐ ܕܢܡܘܣܐ ܠܡܣܐܢ ܘܠܡܥܠ ܠܡܫܟܢ ܙܒܢܐ‏ : the priests of the Law are not allowed to put on shoes and enter into the Tent of Meeting
See the entire entry for sˀn vb. to put on a shoe