abyss

Greek - G12 - ábyssos  /ab'-us-sos/ (ἄβυσσος)from Α (as a negative particle) and a variation of βυθός; depthless, i.e. (specially) (infernal) "abyss":--deep, (bottomless) pit.

Hebrew - H8415 - tᵉhôwm  /teh-home'/ (תְּהוֹם)or תְּהֹם; (usually feminine) from הוּם; an abyss (as a surging mass of water), especially the deep (the main sea or the subterranean watersupply); deep (place), depth.