AphDem6.106:11 :ܢܠܒܫ ܠܒܘܫܐ ܩܕܝܫܐ ܘܢܗܘܐ ܣܡ̈ܝܟܐ ܒܪܝܫ ܓܒ̈ܝܐ‏ : let us wear holy garb so that we might be reclining at the head of the elect
See the entire entry for rēš, rēšā n.m. head; top; chief