מַעֲמַקִּיםnoun masculine pluraldepths; — absolute
׳מPsalm 130:1 (figurative); construct literal
מַעֲמַקֵּייָֿםIsaiah 51:10; figurative
מַיִם׳מEzekiel 27:34 (fall of Tyre),
Psalm 69:3;
Psalm 69:15 (distress).
I. עמר (√ of following; meaning dubious, perhaps related to Arabic 
be abundant (of water), surpass, overtop; Late Hebrew עוֺמֶר, עָמִיר=Biblical Hebrew; ᵑ7עָוּמְרָא, עֲמִירָא=Biblical Hebrew I. עֹמֶר).
Strong's Hebrew: 4615. מַעֲמַקִּים (maamaqqim) — 5 Occurrences
Psalm 69:2
HEB:מָעֳמָ֑ד בָּ֥אתִי בְמַעֲמַקֵּי־ מַ֝֗יִם וְשִׁבֹּ֥לֶת
NAS: I have come into deep waters,
KJV: I am come into deep waters,
INT: foothold have come deep waters the floods
Psalm 69:14
HEB:אִנָּצְלָ֥ה מִ֝שֹּֽׂנְאַ֗י וּמִמַּֽעֲמַקֵּי־ מָֽיִם׃
NAS: from my foes and from the deep waters.
KJV: from them that hate me, and out of the deep waters.
INT: may I be delivered my foes the deep waters
Psalm 130:1
HEB:שִׁ֥יר הַֽמַּעֲל֑וֹת מִמַּעֲמַקִּ֖ים קְרָאתִ֣יךָ יְהוָֽה׃
NAS:A Song of Ascents. Out of the depths I have cried
KJV:Out of the depths have I cried
INT: Song of degrees of the depths have cried LORD
Isaiah 51:10
HEB:רַבָּ֑ה הַשָּׂ֙מָה֙ מַֽעֲמַקֵּי־ יָ֔ם דֶּ֖רֶךְ
NAS: Who made the depths of the sea
KJV: that hath made the depths of the sea
INT: of the great made the depths of the sea A pathway
Ezekiel 27:34
HEB:נִשְׁבֶּ֥רֶת מִיַּמִּ֖ים בְּמַֽעֲמַקֵּי־ מָ֑יִם מַעֲרָבֵ֥ךְ
NAS: by the seas In the depths of the waters,
KJV: by the seas in the depths of the waters
INT: you are broken the seas the depths of the waters your merchandise
be abundant (of water), surpass, overtop; Late Hebrew