From amaq; deep (literally or figuratively) -- (X exceeding) deep (thing).
see HEBREW amaq
H6013. amoq
עָמֹק17 adjective deep (compare BaNB § 23 b); —
1 ׳ע literal Leviticus 13:3 6t. Leviticus 13; feminine עֲמֻקָּה of cup Ezekiel 23:32, trench Proverbs 22:14; 23:27 (all 3 in simile); ׳ע מִשְּׁאוֺל Job 11:8 (figurative); plural עֲמֻקִּים מַיִם (simile) Proverbs 18:4; 20:5.
2 = unsearchable עָמֹקּ Psalm 64:7; Ecclesiastes 7:24 (twice in verse); plural עֲמֻקוֺת (Baer עֲמוּקוֺת, van d. H. עֲמֻקּוֺת) Job 12:22.