黒慈姑
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Japanese
| Kanji in this term | ||
|---|---|---|
| 黒 | 慈 | 姑 |
| くろ Grade: 2 |
くわい > ぐわい | |
| Grade: S | Hyōgai | |
| kun'yomi | jukujikun | |
| Alternative spelling |
|---|
| 黑慈姑 (kyūjitai) |
Etymology
Literally, “black arrowhead”, 黒 (kuro, “black”) + 慈姑 (kuwai, “arrowhead”). The kuwai changes to guwai as an instance of rendaku (連濁).
Noun
- Eleocharis kuroguwai, a kind of spikerush
Usage notes
As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary).