| 4727 | Classic Nelson (Andrew Nelson) |
| 1989 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 4040 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2785 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 39048X | Morohashi |
| 3257 | New Japanese English Character Dictionary (Jack Halpern) |
| 6094 | New Nelson (John Haig) |
| 2847 | Remembering The Kanji (James Heisig) |
| 2111 | Remembering The Kanji, 6th edition (James Heisig) |
Stroke order
On reading compounds
- 遡河魚 【ソカギョ】 anadromous fish (fish that migrates upstream, e.g. salmon)
- 遡及 【ソキュウ】 retroactivity, retroaction, being retroactive (to)
- 遡源 【サクゲン】 going to the source, tracing to the origin
Kun reading compounds
- 遡る 【さかのぼる】 to go upstream, to go up (a river), to go back (to the past or origin), to date back (to), to trace back (to), to be retroactive (to)
Readings
- Korean:
- so
Spanish
- río arriba
- ir río arriba
- ir hacia atrás
- volver sobre sus pasos
Portuguese
French
| 3a10.2 | The Kanji Dictionary |
| 3-3-10 | SKIP code |
| 3-4-10 | SKIP code |
| 3730.2 | Four corner code |
| 1-33-44 | JIS X 0208-1997 kuten code |
| 9061 | Unicode hex code |