()()

とびこむ
godan verb
to jump into, to dive into, to rush into
1. to jump into, to dive into
To leap or dive into water, a pool, or another space.
プールに()()んだ。
I dived into the pool.
子供(こども)たちが(かわ)()()んで(あそ)んでいる。
The children are playing by jumping into the river.
(かれ)(たか)(いわ)(うえ)から(うみ)()()んで、友達(ともだち)(おどろ)かせた。
He jumped into the sea from the top of a tall rock and surprised his friends.
2. to rush into, to burst into
To enter a place suddenly and quickly.
部屋(へや)()()んできた。
Someone burst into the room.
交番(こうばん)()()んで(たす)けを(もと)めた。
I rushed into the police box and asked for help.
(あめ)(きゅう)()()したので、(ちか)くの(みせ)()()んで雨宿(あまやど)りをした。
It suddenly started raining, so I rushed into a nearby shop to take shelter.
3. to come in suddenly (of news, information)
For news or information to arrive suddenly and unexpectedly.
(おどろ)きのニュースが()()んできた。
Surprising news came in suddenly.
衝撃(しょうげき)(てき)なニュースが()()んできた。
Shocking news came in suddenly.
[Note: ()()んでくる is used for news/information arriving unexpectedly]
会議(かいぎ)(ちゅう)取引先(とりひきさき)から契約(けいやく)解除(かいじょ)()らせが()()んできて、全員(ぜんいん)言葉(ことば)(うしな)った。
During the meeting, news of the contract cancellation came in suddenly from the client, and everyone was left speechless.

()()む is an intransitive verb (自動詞(じどうし)) meaning to jump or rush into.

COMPOUND STRUCTURE:

  • ()ぶ (to fly/jump) + ()む (into) → to jump into

ASPECT (ている):
()()んでいる indicates a state of having jumped in or being in the process.

COMMON PATTERNS:

  • プールに()()む (dive into a pool)
  • (みず)()()む (jump into water)
  • 部屋(へや)()()む (rush into a room)
  • ニュースが()()んでくる (news comes in suddenly)

RELATED WORD:

  • ()()み: diving (the sport); ()()(だい) = diving board
  • ()()営業(えいぎょう): cold calling, unscheduled sales visits

[Register: Neutral]