(old) first place in civil service examinations at three levels: provincial 解元[jie4 yuan2], metropolitan 會元|会元[hui4 yuan2] and palace 狀元|状元[zhuang4 yuan2]
currency unit (esp. Chinese yuan) / first / original / primary / fundamental / constituent / part / era (of a reign) / meta- (prefix) / (math.) argument / variable / (Tw) (geology) eon