First opened Friday, November 16, 2012
介入
かいにゅう
- flat (heiban)
How to read it: a line over a kana means the voice is high there, and ↓ marks where it drops. A kana with no line is low. With no ↓ the pitch stays high to the end and does not drop even on a following particle (が, は).
intervention
Kainyū is 介 (kai, “force in”) plus 入 (nyū, “enter”).
Taken apart
Select a part to see every word so far that is taken apart with it.
In a sentence
警察が騒動に介入した。
The police intervened in the disturbance.
彼女のプライバシーに介入するな。
Don't intrude on her privacy.
Sentences are from Tatoeba (CC BY 2.0 FR), picked by fixed rules from a dated export and shown unchanged. Nobody has reviewed them one by one.
What Wiktionary says
Quoted line by line from Wiktionary's Etymology section for this reading, taken from one dated dump so it can't change underneath us. Nothing below is paraphrased.
- “介(かい) (kai, “force in”) + 入(にゅう) (nyū, “enter”).”
Source: Wiktionary: 介入 (dump of 2026-09-02), available under CC BY-SA 4.0. Reading, meaning and part of speech from JMdict, and kanji readings from KANJIDIC2 (EDRDG).
What the labels mean
- 漢語 Sino-Japanese
- Words built from Chinese-derived morphemes — borrowed from Chinese or coined in Japan out of Chinese parts — read with on'yomi.
- Compound
- Two or more words or stems joined into one.