A variation from ts'adah; properly, a step- chain; by analogy, a bracelet -- bracelet, chain.
see HEBREW ts'adah
H685. etsadah
אֶצְעָדָה noun feminine id.; — absolute ׳א Numbers 31:50 (+ צָמִיד bracelet); עַלזְֿרֹעוֺ אֲשֶׁר 2 Samuel 1:10 (read הַצְּעָדָה We Dr Bu HPS, compare 2 Kings 11:12 above).