noun
Chandra (moon god in Buddhism)
In Shingon Buddhism, one of the twelve devas (十二天). Also known as the Hindu moon god Chandra.
See also: 十二天
月天子は十二天の一尊として曼荼羅に描かれる。
Gattenshi is depicted in mandalas as one of the twelve devas.
noun
Archaic term for the moon, now largely replaced by 月 (つき).
古い和歌では月天子が月そのものを指すことがある。
In old waka poetry, gattenshi can refer to the moon itself.
Standard modern word for 'moon'; 月天子 is an archaic or specialized Buddhist term.
From Chinese 月天子 (yuètiānzǐ), literally 'moon deva/son of heaven'. The reading がってんし is the Sino-Japanese on'yomi.