以来 (Irai) is a Japanese noun suffix meaning “since, henceforth, ever since”.
Meanings
- noun suffixsince; henceforth
- noun, adverbever since
Examples
以来ずっと友人です。
We've been friends ever since.
あれ以来彼から便りがない。
I have heard nothing from him since then.
彼は先月以来病気だそうです。
I hear he has been ill since last month.
Sentences from Tatoeba (CC BY 2.0 FR).