天津御姉あまつみこ

Meanings

1

Archaic honorific term for the emperor, found in classical Japanese texts and mythology. Not used in modern language.

古こ事じ記きには「天あま津つ御み姉こ」という表ひょう現げんが見みられる。
The expression '天津御姉' can be found in the Kojiki.