Simplified from 堅 (臣 → ⿰丨丨).
坚 (radical 32 土+4, 7 strokes, cangjie input 中水土 (LEG), composition ⿱⿲丨丨又土)
- KangXi: not present, would follow page 226, character 10
- Dai Kanwa Jiten: character 4963
- Dae Jaweon: page 461, character 18
- Hanyu Da Zidian: volume 1, page 422, character 14
- Unihan data for U+575A
|For pronunciation and definitions of 坚 – see 堅 (“hard; strong; firm; etc.”).
(This character, 坚, is the simplified form of 堅.)