P Job24:24 :ܘܐܝܟ ܪܝܫܐ ܕܫܒ̈ܠܐ ܢܐܒܫܘܢ ܘܢܬܦܪܟܘܢ‏ : they shall dry up and be crumbled like the top of a grain-stalk
See the entire entry for prk vb. to crumble