尘 is an ancient variation form of 塵, official chosen as Simplified Chinese.
Simplified from 塵 (鹿 → 小)
尘 (radical 42 小+3, 6 strokes, cangjie input 火土 (FG) or X火土 (XFG), composition ⿰小土)
- KangXi: page 297, character 6
- Dai Kanwa Jiten: character 7484
- Dae Jaweon: page 591, character 8
- Hanyu Da Zidian: volume 1, page 419, character 5
- Unihan data for U+5C18
|For pronunciation and definitions of 尘 – see 塵.
(This character, 尘, is the simplified form of 塵.)