also: じょうや
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.
In mythology, it is said that the world was once shrouded in perpetual night.
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.
In old documents, the expression 'all-night banquet' can be found.
Standard kanji spelling for the reading とこよ, meaning perpetual night.
Rare reading for the sense 'continuing all night'; the reading じょうや is uncommon and may be encountered mainly in older or literary contexts.
A native compound of 常（とこ）“eternal; lasting” and 夜（よ）“night.”