From shaqal; probably a weight; used as a commercial standard -- shekel.
see HEBREW shaqal
H8255. sheqel
שֶׁ֫קֶל87 noun masculineLeviticus 27:6 a weight, shekel (originally = weight; late Hebrew = coin GACookeInscr. 356); — absolute ׳שׁ Amos 8:5 +, שָׁ֑קֶל Exodus 38:29 +; plural שְׁקָלִים Joshua 7:21 +; construct שִׁקְלֵי 1 Chronicles 21:25; — shekel, as standard weight Amos 8:5; of weight of bronze armour 1 Samuel 17:5, iron spear-head 17:7, +2 Samuel 21:16b (see מִשְׁקָל), hair 14:26, food Ezekiel 4:10; implying value, of wedge of gold Joshua 7:21 (JE); of nails in temple (gold) 2 Chronicles 3:9; usually a definite weight of silver (used in payment. or valuation) Exodus 21:32 (E), Joshua 7:21 (JE), 1 Samuel 9:8; 2 Samuel 24:24; 2 Kings 7:1 (twice in verse); 7:16 (twice in verse); 7:18 (twice in verse); 15:20; Jeremiah 32:9; Ezekiel 45:12 (twice in verse) (see infra), and ( = coin, from time of Darius I) Nehemiah 5:15; 10:33; Leviticus 5:15; 27:3-4, 5 (twice in verse) (all P), +53 t. P; also הַשּׁ ׳מַחֲצִית Exodus 30:13 (twice in verse); 30:15; 38:26 (= בֶּקַל), all half-shekel, atonement-money; compare הַשּׁ ׳שְׁלִישִׁית Nehemiah 10:33 one-third; also שׁ ׳רֶבַע 1 Samuel 9:8 one-fourth if shekel; ׳שׁ = 20 גֵּרָה (׳ג otherwise unknown) Ezekiel 45:12; Exodus 30:13; Leviticus 27:25; Numbers 3:47; 50׳שׁ = one maneh Ezekiel 45:12 (read וַחֲמִשִּׁים for וחמשׁה [and עֶשְׂרֵה for עֲשָׂרָה preceding], ᵐ5A Boeckh Hi-Sm Co Toy Da Krae Berthol); ׳שׁ הַקֹּדֶשׁ Exodus 30:13, 24; Leviticus 5:15; Numbers 3:47, 50; 7:13 21t. P; land estimated in ׳שׁ of gold 1 Chronicles 21:25; ׳שׂ also often omitted after number — ׳שׁ was of two standards, one one-half the other; actual weights (and values) varied, but most persistent were: (1) gold, 252 3-Febgrams Troy (or 126 1/3), modern equivalent approximately £2 1S., or $10; (2) silver, 224 2-Jangrams (nearly 1/2 ounce) = ׳שׁ הַקֹּדֶשׁ (see above), or 112 1/4, modern equivalent approximately 2s. 9d., or 67 with; ׳שׁ הַמֶּלֶךְ בְּאֶבֶן 2 Samuel 14:26 is dubious; if late (Bu HPS Löhr Now) it probably reference to a Babylonian or Persian scale (compare S-Cpap מלכא באבני often); 60 (or 50) ׳שׁ = 1 mina, 60 minas= 1 talent(see מָנֶה ,כִּכָּר). See especially ARSKHast. DB WEIGHTS AND MEASURES,and MONEY.
תְּקֵל noun [masculine] shekel (see Biblical Hebrew שֶׁקֶל; תִּקְלָא ᵑ7); — absolute ׳ת Daniel 5:25, 27; see מְנֵא and references