μέχρι δὲ τούτου θεοῖσι εἰδέναι χάριν → but until that time he should feel gratitude to the gods
gĕnĭālĭter: adv., v. genialis.
gĕnĭālĭtĕr (genialis), joyeusement : Ov. M. 11, 95.