宙 means mid-air
air, space, sky, memorization
A reason under a roof: space.
On'yomi
- チュウchuu
Kun'yomi
- None
How it's built
- 宀roof
- 由reason
Common words
- 宇宙うちゅうuniverse; cosmos
- 宙ちゅうspace; air
- 宇宙空間うちゅうくうかん(outer) space
- 宇宙開発うちゅうかいはつspace development; space exploration