'Ax' in the Bible

as [for example] when a man goes into the forest with his neighbor to cut wood, and his hand swings the axe to cut down the tree, but the iron head slips off the wooden handle and hits his companion and he dies—the offender may escape to one of these cities and live;

“When you besiege a city for a long time, making war against it in order to capture it, you shall not destroy its [fruit-bearing] trees by swinging an axe against them; for you may eat from them, and you shall not cut them down. For is the tree of the field a man, that it should be besieged (destroyed) by you?