IshExod 7:23 :ܥܠ ܕܥܒ݂ܪ ܙܒܢܐ ܕܩܛܦܗܘܢ ܡܬܚܐ ܕܬܠܬܝܢ ܫܢܝ̈ܢ‏ : in that the time of their harvest was missed for a period of thirty years
See the entire entry for qṭāp̄, qṭāp̄ā v.n. harvesting