From qiddah; burning, i.e. A carbuncle or other fiery gem -- carbuncle.
see HEBREW qiddah
H688. eqdach
אֶקְדָּח noun [masculine] perhaps fiery glow, sparkle; אֶקְדָּֽת אַבְנֵי Isaiah 54:12 i.e. carbuncles (?); — ᵐ5 λίθους κρυστάλλου, ᵑ9 lapides sculptos Aq Theod Sym.
קדם (√ of following; be before, in front, compare Assyrian ‡udmu front, former time; Arabic precede (so Ethiopic ), IV, see be bold and foremost in attack (קָדַם
1a); Sabean קדם begin HomChreat, 126, march forth, advance, CISiv, No 79, 1. 9 SabDenkmNo. 9, 1.2.4.6.7.8.9, קדמ(הוׅ front CISiv, No. 276, 1.2; Phoenician כקדם as formerly (?); Old Aramaic קדם before, so Palmyrene, Nabataean; Biblical Aramaic, קֳדָם ᵑ7 before; Syriac precede; Late Hebrew קָדַם be in front).