IVMac9:13 :ܒܡܬܚܐ ܕܥܠܝܗ݀ ܥܠܝܡܐ ܢܨܝܚܐ ܡܢ ܫܪ̈ܝܬܗ ܡܬܦܪܩ ܗܘܐ‏ : the splendid lad was dismembered by stretching upon it
See the entire entry for mṯāḥ, mṯāḥā v.n. extension