P 2S10:4 :ܘܡܚܝ ܟܘܬܝܢ̈ܝܬܗܘܢ ܒܓܐܪ̈ܐ ܥܕܡܐ ܠܐܫܬ̈ܝܗܘܢ‏ : he ripped up their tunics with arrows [! = MT בַּחֵצִי] up to their buttocks
See the entire entry for ˀeššaṯ, ˀeštā n.f. foundation, base

P 2S10:4 :ܡܚܝ ܟܘܬܝܢ̈ܝܬܗܘܢ ܒܓܐܪ̈ܐ ܥܕܡܐ ܠܐܫܬ̈ܝܗܘܢ‏ : he ripped up their tunics with arrows up to their buttocks
See the entire entry for mḥy vb. to strike