From amaq; a deep -- deep, depth.
see HEBREW amaq
H4615. maamaqqim
מַעֲמַקִּים noun masculine plural depths; — absolute ׳מ Psalm 130:1 (figurative); construct literal מַעֲמַקֵּייָֿם Isaiah 51:10; figurative ׳מ מַיִם Ezekiel 27:34 (fall of Tyre), Psalm 69:3; 69:15 (distress).
I. עמר (√ of following; meaning dubious, perhaps related to Arabic be abundant (of water), surpass, overtop; Late Hebrew עָמִיר עוֺמֶר, = Biblical Hebrew; עֲמִירָא עָוּמְרָא, ᵑ7 = Biblical Hebrew I. עֹמֶר).