常とこ夜よ

noun

perpetual night; eternal darkness

Only with reading とこよ

Refers to a state of endless night, often used in mythological, poetic, or metaphorical contexts. The reading is とこよ.

• 神しん話わでは、世せ界かいはかつて常とこ夜よに包つつまれていたと語かたられる。

  In mythology, it is said that the world was once shrouded in perpetual night.

noun

continuing all night; all-night

Only with reading じょうや

Describes something that lasts throughout the night. The reading じょうや is rare and may be found in classical or literary works; modern usage is very limited.

• 古ふるい文ぶん献けんには「常じょう夜やの宴うたげ」という表ひょう現げんが見みられる。

  In old documents, the expression 'all-night banquet' can be found.