συμβάλλεσθαι
From LSJ
αὐτόχειρες οὔτε τῶν ἀγαθῶν οὔτε τῶν κακῶν γίγνονται τῶν συμβαινόντων αὐτοῖς → for not with their own hands do they deal out the blessings and curses that befall us
Greek > English (Woodhouse Verbs Reversed)
(see also συμβάλλω): coincide, conduce to, correspond, be a factor in, be instrumental in, contribute to, contribute towards a result, contribute towards, help to
