落ちる

/otu/ → /ot͡su/ → /ot͡ɕiru/

Regular development from classical verb form 落つ (otsu, “to fall; to decline; to come to an end”). In turn, from Old Japanese 落つ (otu) of the same meaning,^{[1][2][3][4][5]} from Proto-Japonic *ətu.

First attested in the Kojiki of 712 CE.^[2]

Via root ot-, cognate with 劣る (otoru, “to fail, to lose; to be of lower rank”, intransitive) and 落とす (otosu, “to drop something”, transitive). Additionally, cognate with Proto-Ryukyuan *ote (“to fall”).

• (Tokyo) おちる (Nakadaka – )^[4][6]
• IPA^(key):

落(お)ちる • (ochiru) intransitive ichidan (stem 落(お)ち (ochi), past 落(お)ちた (ochita))

1. to fall

   りんごが木(き)から落(お)ちた。

   Ringo ga ki kara ochita.

   The apple fell from the tree.

2. (computing) to go down (as when a computer or application becomes unresponsive)
3. (electrical engineering, of a circuit breaker) to trip

   ブレーカーが落(お)ちた

   burēkā ga ochita

   the circuit breaker tripped

4. (informal) to fail an examination

   Antonym: 受かる (ukaru)

5. (Internet slang, chat, video games, etc., of a person) to leave; to sign off; to drop off; to drop
6. This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

   ネットに落(お)ちてる

   netto ni ochiteru

   to have been placed on the web

• 猿(さる)も木(き)から落(お)ちる (saru mo ki kara ochiru): “even monkeys fall from trees” → even the experts make mistakes
• 問(と)うに落(お)ちず語(かた)るに落(お)ちる (tō ni ochizu kataru ni ochiru)

• (fall): 降(ふ)る (furu), 落(らっ)下(か)する (rakka suru)

• 飯(めし)落(お)ち (meshiochi)

• 転(ころ)ぶ (korobu, “to fall over, to tumble”)
• 崩(くず)れる (kuzureru, “to collapse, to fall into ruin”)
• 落(らっ)下(か) (rakka, “to drop”, more formal)