5 strokes
Jouyou kanji
Taught in 9th grade
JLPT exam level N1
concave, hollow, sunken
Kun'yomi
く ぼ む to cave in へ こ む to be dented ②to be beaten ③to be disheartened ④to suffer a loss ぼこ
On'yomi
オ ウ concave
Character Breakdown
References
| Unicode hex code | 51F9 |
| JIS X 0208 | 1-17-90 |
| Nelson, A. Classic Nelson | 664 |
| Haig, J. New Nelson Japanese-English Character Dictionary | 444 |
| Halpern, J. New Japanese-English Character Dictionary | 3482 |
| Halpern, J. Kodansha Kanji Dictionary | 4294 |
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 2170 |
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 2924 |
| Heisig, J. Remembering The Kanji | 33 |
| Heisig, J. Remembering The Kanji, Sixth Ed. | 33 |
| Gakken A New Dictionary of Kanji Usage | 1920 |
| O'Neill, P.G. Essential Kanji | 1883 |
| Morohashi Daikanwajiten | 1810 |
| Henshall, K. A Guide To Remembering Japanese Characters | 1032 |
| Spahn and Hadamitzky Kanji and Kana | 1893 |
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 2069 |
| Hodges & Okazaki Japanese Kanji Flashcards | 1087 |
| Kask, A. Tuttle Kanji Cards | 1039 |
| Nishiguchi & Kono Kanji in Context | 1922 |
| Kodansha Kodansha Compact Kanji Guide | 173 |
| Maniette, Y. Les Kanjis dans la tete | 33 |
| Tuttle Dictionary Descriptor Code | 0a5.14 |
| Four corner code | 7777.0 |
| De Roo Code | 3675 |