10 strokes
                                                    
                        Jinmeiyou kanji used in names
            Kentei exam level Pre-1
    
                                            nest, rookery, hive, cobweb, den
Kun'yomi
す む to live (of animals) 
On'yomi
セイ 
Nanori
す nest ②den ③haunt ④(spider's) web すみ 
Character Breakdown
References
| Unicode hex code | 6816 | 
| JIS X 0208 | 1-32-20 | 
| Nelson, A. Classic Nelson | 2248 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 2650 | 
| Halpern, J. New Japanese-English Character Dictionary | 933 | 
| Halpern, J. Kodansha Kanji Dictionary | 1170 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 844 | 
| Heisig, J. Remembering The Kanji | 2497 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 2560 | 
| O'Neill, P.G. Japanese Names | 1101 | 
| Morohashi Daikanwajiten | 14693 | 
| Tuttle Dictionary Descriptor Code | 4a6.2 | 
| Four corner code | 4196.0 |