First opened Monday, August 1, 2005
大部分
だいぶぶん
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.
most part, majority
Daibubun is 大 (dai, “big, great”) plus 部分 (bubun, “part, portion”), first attested in 1903.
Taken apart
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In a sentence
責任は大部分私にあった。
The responsibility was in large part mine.
彼らは大部分が若者だった。
They were for the most part young people.
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.
- “Compound of 大 (dai, “big, great”) + 部分 (bubun, “part, portion”).”
- “First attested in 1903.”
Source: Wiktionary: 大部分 (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.