Also see definition of "Helve" in Word Study
Helve
HELVE [isbe]
HELVE - helv (`ets "wood," "tree"): The handle or wooden part of an ax. "The head (margin "iron") slippeth from the helve" (margin "tree," Dt 19:5). The marginal reading suggests that "the ax is supposed to glance off the tree it is working on."
Also see definition of "Helve" in Word Study