[庚, gēngㄍㄥ] age; seventh of 10 heavenly trunks 十天干; seventh in order; letter "G" or roman "VII" in list "A, B, C", or "I, II, III" etc; hepta, See Also: 十天干#17048
[庚子, gēng zǐㄍㄥ ㄗˇ] thirty seventh year G1 of the 60 year cycle, e.g. 1960 or 2020; cf 庚子國變|庚子国变, the crisis year of 1900 involving the Boxer uprising and the eight nation military invasion, See Also: 庚子國變, 庚子国变#45563
[こうしんまち, koushinmachi] (n) (See 三尸) staying awake on the eve of the 57th day of the sexagenary cycle (to prevent the three worms from reporting one's wrongdoings and shortening one's lifespan), while worshipping Sakra, the Blue-Faced Vajra, or Sarutahiko