二十日鼠

Japanese

Kanji in this term
二	十	日	鼠
Grade: 1	Grade: 1	か Grade: 1	ねずみ Hyōgaiji
Irregular		kun’yomi

Wikispecies

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

Alternative forms

廿日鼠, 鼷

Etymology

From 二十日 (hatsuka, “twenty days”) +‎ 鼠 (nezumi, “rat; mouse”),[1][2] so named for the gestation period of roughly 20 days. 二十日 is jukujikun (熟字訓).

Pronunciation

(Irregular reading)
- (Tokyo) はつかねずみ [hàtsúkánéꜜzùmì] (Nakadaka – [4])[3][2][4]
- IPA^(key): [ha̠t͡sɨ̥ᵝka̠ne̞zɨᵝmʲi]

Noun

二十日鼠 (hiragana はつかねずみ, katakana ハツカネズミ, rōmaji hatsukanezumi)

a house mouse

Usage notes

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts, as ハツカネズミ.

References

1988, 国語大辞典（新装版） (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan
2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, →ISBN
1997, 新明解国語辞典 (Shin Meikai Kokugo Jiten), Fifth Edition (in Japanese), Tōkyō: Sanseidō, →ISBN

[1] 1988, 国語大辞典（新装版） (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan

[DJR-2] 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN

[NHK-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

[SMK5-4] 1997, 新明解国語辞典 (Shin Meikai Kokugo Jiten), Fifth Edition (in Japanese), Tōkyō: Sanseidō, →ISBN