also: こうけい
noun
Archaic poetic term for the sun, literally 'crimson mirror'. Not used in modern everyday language.
古い和歌に「紅鏡」という言葉が太陽を指して使われている。
In old waka poetry, the word 紅鏡 is used to refer to the sun.
Standard modern word for the sun; 紅鏡 is an archaic poetic synonym.
Compound of 紅 (crimson) and 鏡 (mirror), likely a poetic metaphor for the sun. The exact origin is uncertain.