漢字Kanji · in Nature & Elements
洞: den, cave
Also: excavation
JLPT N19 strokesSecondary schoolYour ink: 白 Not met
氵 carries the meaning · 同 gives the sound
9 strokes
Small seal · Qin Today
Small seal: Wikimedia Commons, public domain. Today’s form: KanjiVG, CC BY-SA 3.0.
Two readings, and the words that use each
ドウdou · on'yomi · in compounds
- 空洞くうどうcavity; hollow; cave
- 洞察どうさつdiscernment; insight
- 洞窟どうくつcave; cavern; grotto
- 風洞ふうどうwind tunnel
ほらhora · kun'yomi · on its own
- 洞ほらhollow; cavity; hole
- 洞穴ほらあなcave; cavern; den
Words: JMdict, EDRDG, CC BY-SA 4.0.
成り立ち
Where it comes from
Memory story · made up to help you remember
“Imagine three raindrops falling—that's sanzui! Whenever you see these three dots on the left side of a kanji, think of water, liquids, or anything that flows.”
繋がり
Connections
Ink shades, lightest to darkest: 白 Not met, 淡 Met, 中 Learning, 濃 Familiar, 印 Mastered
同
Also built on same (同)
洞 takes the 同 family's reading, ドウ (dou).
Easy to confuse
The difference, side by side洞 den · 氵
vs桐 paulownia · 木In ChineseSame character in simplified and traditional · dòng
Same form: 洞 is written the same way in mainland China (simplified) and in Taiwan and Hong Kong (traditional).
- Simplified
- 洞 mainland China, Singapore
- Traditional
- 洞 Taiwan, Hong Kong
Pinyin dòng most common reading
Forms and pinyin: Unicode Unihan database (Unicode License v3). Pinyin lists the most common reading, not every reading.
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