AGnEx 70.14 :ܩܐܡ ܗܘ݂ܐ ܘܡܟܫ ܘܡܟܫ ܛܝܪܐ ܛܝܪܐ ܕܠܡܚܬ ܥܠ ܕܒܚܬܗ ܨܒܝܐ ܗܘܬ‏ : he was standing driving away bird after bird that wanted to descend upon his sacrifice
See the entire entry for kšš vb. C to drive away birds