へいじょうきょう
Meanings
Noun
1. Heijō-kyō (ancient name of Nara)
Kanji used
flat
castle
capital
Composed of
Heijō-kyō (ancient name of Nara)
imperial capital (esp. Kyoto); final word of an iroha poem; 10^16; 10,000,000,000,000,000