PJ Ex21:37 :מן בגלל דאקטיה בגניבותיה ולית בה עיבידתא‏ : because he (the thief) ruined his (the animal owner's) livelihood through his (the thief's) theft and he (the owner) has no work with it (the animal) † 
See the entire entry for qṭy vb. to move around

PJ Ex21:37 :מן בגלל דבטליה מן רידיה‏ : because he prevented him from his plowing
See the entire entry for rḏāy n.m. plowing