BR 508:9(1) :כ{ז}<ו>ב ולא שלם לה‏ : it (i.e. the sickle) cut down the thorn, and it was not finished
See the entire entry for koḇ, kubbā n.m. thorn

BR 508:9(1) :למגל מכסחת כ{י}סחת כ{ז}<ו>ב ולא שלם לה‏ : like a cutting scythe. It cut thorn(s) and was not satisfied
See the entire entry for ksḥ vb. to prune