Grammar Info
N1 Lesson 6: 1/17

に至（いた）って
when it came to, only when, only after, go as far as

When following time expressions or location it often simply means “at”

Structure
Verb + に至って(1)
Noun + に至って(1)

(1)に至り
Structure Legend  
Details
Register Standard
使用域 一般
Information
  • [至る lit. means to “reach a far stage,” “arrive as far as.” Therefore Aに至ってB is used to express that after certain phase A is reached, B.
  • [Often expresses speaker/writers dissatisfaction/criticism that B happened at such a late/far point. Usually, verbs like 了解、理解、知る、わかる、明らかになる、気が付く and adverbs like ようやく、いよいよ、ついに、初めて、いまさら follow this grammar point]
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《記事（きじ）》何（なん）千（ぜん）ものバナナの木（き）が枯（か）れるに至（いた）って、バナナ産業（さんぎょう）は初（はじ）めてパナマ病（びょう）の深刻（しんこく）さに気（き）が付（つ）いた。
Article: Only when thousands of banana trees died, did the banana industry realize the seriousness of the Panama disease for the first time.
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    • 私（わたし）の祖父（そふ）は肺（はい）不全（ふぜん）に至（いた）って、いよいよタバコを止（や）めざるをえないことを認（みと）めた。
    Only when his lungs failed, did my grandfather finally accept that he has no choice but to stop smoking.
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    • 過労（かろう）で意識（いしき）を失（うしな）うに至（いた）って、ようやく働（はたら）きすぎたことがわかった。
    Only when I collapsed due to overwork, did I finally realize that I worked too hard.
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