Their young are weaned and go out to feed; they depart and do not return to them
Other versions
King James Version
Their young ones are in good liking, they grow up with corn; they go forth, and return not unto them.English Standard Version
Their young ones become strong; they grow up in the open; they go out and do not return to them.New International Version
Their young thrive and grow strong in the wilds; they leave and do not return.