וַֽיְהִ֖י לְשִׁבְעַ֣ת הַיָּמִ֑ים וּמֵ֣י הַמַּבּ֔וּל הָי֖וּ עַל־הָאָֽרֶץ׃
Au bout des sept jours, les eaux du Déluge étaient sur la terre.
The Midrash of Philo
Why, after the entrance of Noah into the ark, did seven days elapse, after which the deluge came? (Genesis 7:10).