LESC 68.1:6 :ܘܗܘ ܥܡܠ ܒܟܘܠ ܝܘܡ ܒܚܕ ܩܝܪܛ‏ : he toils every day for a single carat
See the entire entry for qarṭā n.m. quarter of a shekel, carat