All words

First opened Tuesday, April 10, 2012

助動詞

じょどうし

Pitch accent: We don't have the data for this section. No accent list gives this spelling and reading, or the two we check against disagree.

auxiliary verb

JLPT N1noun (common) (futsuumeishi)grammar漢語 · Sino-JapaneseCompound

Jodōshi is 助 (“to help”) plus 動詞 (“verb”), literally “helping verb”.

Taken apart

  1. 助

    じょ

    to help

  2. 動詞

    どうし

    verb

Select a part to see every word so far that is taken apart with it.

Written with 助動詞

In a sentence

  • canは助動詞(じょどうし)ですので、疑問(ぎもん)文(ぶん)では文頭(ぶんとう)に持(も)ってきます。

    'can' is an auxiliary verb, so in question sentences it is brought to the start of the phrase.

    Tatoeba #75172, translation #328547

  • この文(ぶん)は現在(げんざい)完了(かんりょう)形(がた)です。haveは動詞(どうし)ではなく、助動詞(じょどうし)。

    This sentence is in the present perfect. 'have' is not a verb, but an auxiliary verb.

    Tatoeba #75202, translation #328517

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.

  • “助 (“to help”) + 動詞 (“verb”), literally “helping verb””

Source: Wiktionary: 助動詞 (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.

Other words so far that share a part, a process or a layer with this one, closest first. Each tag says what is shared; nothing here is a claim beyond what the entries already show.

Also opened on April 10

The words that opened on this day of the year in other years, oldest first. They share only the date: nothing else links them.

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Origins quoted from Wiktionary (CC BY-SA 4.0) via Kaikki.org; meanings & kanji from JMdict, KANJIDIC2 & KRADFILE (EDRDG, CC BY-SA 4.0) — how we check it