συνεργεῖν
From LSJ
ἢ τάπερ πάθομεν ἄχεα πρός γε τῶν τεκομένων → the pains which we have suffered, and, indeed, from our own parent | the pains which we have suffered, and those even from the one who brought us into the world | the pains we have suffered, and from a parent, too
