noun
hot summer early afternoon
A literary or poetic term for a scorching summer afternoon, often evoking stillness and oppressive heat. Not an everyday word; more common in descriptive writing.
炎昼の街には人影がなかった。
There was no one on the streets in the scorching early afternoon.
Compound of 炎 (flame, blazing) and 昼 (noon, daytime). The exact origin is uncertain, but it is a relatively modern literary coinage.