二十日鼠

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Japanese[edit]

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二十日鼠 (hatsuka nezumi): the common house mouse.

Etymology[edit]

Kanji in this term
Grade: 1 Grade: 1 Grade: 1 Hyōgaiji
Irregular

Compound of 二十日 (hatsuka, twenty days) +‎ (nezumi, rat, mouse),[1][2] so named for the gestation period of roughly 20 days.

Pronunciation[edit]

  • (Irregular reading)
  • (Tokyo) かねずみ [hàtsúká néꜜzùmì] (Nakadaka - [4])[2][3]
  • IPA(key): [ha̠t͡sɯ̥ᵝka̠ ne̞zɯᵝmi]

Alternative forms[edit]

Noun[edit]

二十日鼠 (hiragana はつかねずみ, katakana ハツカネズミ, romaji hatsuka nezumi)

  1. Mus musculus, the common house mouse

Usage notes[edit]

As with many terms that name organisms, this term is often spelled in katakana in biological contexts, as ハツカネズミ. The generic Japanese term for mouse or rat is (nezumi).

References[edit]

  1. ^ 1988, 国語大辞典(新装版) (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan
  2. 2.0 2.1 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9
  3. ^ 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, ISBN 978-4-14-011112-3