OS JnSin6:12 :ܟܢܫܘ ܩܨܝܐ ܕܐܝܬܪܘ ܕܡܕܡ ܠܐ ܢܐܒܕ‏ : collect the morsels left over so that nothing be lost
See the entire entry for qṣāy, qṣāyā v.n. breaking of bread