noun, noun which may take the genitive case particle 'no', adverb
day after day; every day; for days on end
Emphasizes consecutive days, often with a sense of continuation or repetition. Common in news and formal contexts, but also used in daily speech.
連日の雨で川が増水している。
The river is rising due to the rain day after day.
彼は連
He works late every day.