OS MtCur20:2 :ܘܩܨ ܥܡܗܘܢ ܥܡ ܦܥ̈ܠܐ܂ ܡܢ ܕܝܢܪܐ ܚܕ ܠܦܥܠܐ ܚܕ ܒܝܘܡܐ ܚܕ‏ : he agreed on a fee with the workers of one dinar per worker per day
See the entire entry for qṣṣ vb. to cut short; to reckon