Ps-Clem Recogs 2.148:1 :ܕܡܢ ܝܒܝܫܘܬܗ ܕܦܓܪܐ ܢܦܫ̈ܬܗܘܢ ܡܬܡܣܝ̈ܢ‏ : because their souls have weakened due to the body’s dryness
See the entire entry for msy vb. to melt, rot