竇
                                                            20 strokes
                                                    
                        Kentei exam level 1
    
                                            hole, doorway, ditch
Kun'yomi
- あな 
On'yomi
- トウ 
- トク 
Main Radical
穴(KanXi)
Character Breakdown
hole, doorway, ditch
トウ トク あな (Kentei 1)
hole, aperture, slit
あな ケツ けな (6th, N1)
References
| Unicode hex code | 7AC7 | 
| JIS X 0208 | 1-67-69 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 4220 | 
| O'Neill, P.G. Japanese Names | 2897 | 
| Morohashi Daikanwajiten | 25695 | 
| Tuttle Dictionary Descriptor Code | 3m17.2 | 
| Four corner code | 3080.6 |