Read Edit View history 鈷 gǔ cobalt Origin Definitions Defs Strokes Stroke Words Sentences Sents Phonosemantic compound. 釒 represents the meaning and 古 represents the sound. Components 釒 釒 Meaning component jīn metal 釒 is a component form of 金. 古 古 Sound component gǔ old Character Evolution Bronze Warring States 475-221 BC Regular Modern ▼ More ▲ Less Historical Pronunciations Old ChineseZhengzhangkaːʔ Sources Readings & variants Unicode Historical pronunciations Zhengzhang Shangfang Historical images Academia Sinica 钴 gǔ cobalt Simplified Phonosemantic compound. 钅 represents the meaning and 古 represents the sound. Simplified form of 鈷. Components 钅 钅 Meaning component jīn metal 钅 is a component form of 金. 古 古 Sound component gǔ old Sources Readings & variants Unicode