'Deep' in the Bible
Thus says the Lord Yahweh: "You will drink the deep and wide cup of your sister; you will be as laughter and as scorn; {the cup holds so much}!
For thus says the Lord Yahweh: "When I make you a desolate city, like the cities that are not inhabited, when bringing up over you the deep, the {great surging waters} will cover you.
Waters made it great, the deep made it grow high; its rivers [were] going all around {its planting area}, and its channels it sent [out] to all of the trees of the field.
Thus says the Lord Yahweh: "On the day of its going down [to] Sheol, I caused mourning; I covered over it [with] the deep, and I withheld its rivers, and many waters were restrained, and I brought gloom over it; Lebanon and all of the trees of the field, they [had] fainted because of it.
"Son of man, mourn over the hordes of Egypt, and make her go down, [and] with her [the] daughters of mighty nations, {down to the deep underworld} with [the people] going down to [the] grave.
As the man went eastward a measuring line [was] in his hand, and he measured a thousand {cubits}. And he led me through [on] into the water; [it was] {ankle deep}.
And he measured a thousand [cubits], and he brought me over into the waters [and] [it was] {knee deep}. And he measured a thousand [cubits], and he brought me over [into] the waters [and] [it was] {waist deep}.