6throughδι’whichὧνtheὁat that timeτότεworldκόσμοςwith waterὕδατιhaving been delugedκατακλυσθεὶςperishedἀπώλετο·
through which the world at that time was destroyed, having been deluged with water.
κατακλυσθεὶς
κατακλύζω
I flood over, overwhelm, inundate.