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