For nchuwshah; copper, hence, something made of that metal, i.e. Coin, a fetter; figuratively, base (as compared with gold or silver) -- brasen, brass, chain, copper, fetter (of brass), filthiness, steel.
see HEBREW nchuwshah
H5178. nechosheth
I. נְח֫שֶׁת137 noun masculine1 Kings 7:45 (compare AlbrZAW xvi (1896), 108; feminine1 Chronicles 18:8) copper, bronze (Late Hebrew = Biblical Hebrew; Phoenician נחשת; Palmyrene נחשא Lzb322; Syriac , נְחָשָׁא ᵑ7, Arabic , Ethiopic (so also Old Ethiopic DHMEpigr.Denkm.aus Abess.(1894),52); WMMAs.u.Eur.127 cites Egyptian teµ(µ)ost, copper (= *tenµost), as loan-word from נְחשֶׁת + feminine article); — ׳נ absolute Genesis 4:22 +; construct Exodus 38:29; suffix נְחֻשְׁתִּי Lamentations 3:7, נְחֻשְׁתֵךְ Ezekiel 16:36, נְחֻשְׁתָּהּ 24:11, נְחֻשְׁתָּם 2 Kings 25:13 2t.; dual נְחֻשְׁתַּ֫יִם Judges 16:21 6t.; —
1 copper, as ore Deuteronomy 8:9, compare Zechariah 6:8; worked by artificer Genesis 4:22 (J) 1 Kings 7:14 (twice in verse); 2 Chronicles 24:12; material — doubtless hardened with alloy, probably tin, making bronze, compare NowArchaeology i. 243 BenzArchaeology 214 — of armour 1 Samuel 17:5-6, 1 Kings 14:27, utensils 2 Kings 25:14 = Jeremiah 52:18; Leviticus 6:21; Numbers 17:4 + very often, altar 2 Kings 16:14-15, Exodus 38:30; 39:39, etc., and other objects Numbers 21:9 (twice in verse) (JE), 2 Kings 18:4; 1 Kings 4:13; 7:15ff. +, especially in description of tabernacle and temple; cast 7:14; polished מְמֹרָט 7:45, מָרוּק2 Chronicles 4:16 (compare Leviticus 6:21); and shining מֻצְהָב Ezra 8:27. On ׳נ קָלָל Ezekiel 1:7; Daniel 10:6 see קלל; ׳נ as spoil of war 2 Samuel 8:8; 2 Kings 25:13 = Jeremiah 52:17, 20 etc.
2 fetters of copper or bronze, usually dual Judges 16:21; 2 Samuel 3:34; 2 Kings 25:7 = Jeremiah 39:7; 52:11; 2 Chronicles 36:6, also 33:11; singular only Lamentations 3:7 (figurative of oppression).
3 as less in value than gold but more than wood Isaiah 60:17 (twice in verse); figurative of worthless people Jeremiah 6:28 (+ בַּרְזֶל), id. (as dross of silver) Ezekiel 22:18 (+ עוֺפֶרֶת בַּרְזֶל, בְּדִיל,). — On 16:36 see IV. נחשׁ.
4 figurative of pitiless sky Deuteronomy 28:23.
II. [נְח֫שֶׁת] noun [feminine] suffix נְחֻשְׁתֵּךְ Ezekiel 16:36 where context ("" עֶרְוָה) favours meaning lust, harlotry, or specific sens. obscoen. (Co [citing Ki Ra] Berthol, see also Da); text perhaps corrupt (compare NöZMG xl (1886). 730); Sm proposes תַּזְנוּתַיִךְ, so apparently ToyHpt; Or בָּשְׁתֵּךְ.