密 means secrecy
density (pop), minuteness, carefulness
Close, under a roof on a mountain: secret.
On'yomi
- ミツmitsu
Kun'yomi
- ひそ(か)hisoka
How it's built
- 宓
- 山mountain
Common words
- 密度みつどdensity
- 親密しんみつintimacy; friendship
- 密輸みつゆsmuggling; contraband trade
- 密かひそかsecret; private