+0 = 3 

ㄇㄧㄢˊmián

  1. 古代四面覆蓋有室說文解字·》:。」··古者東西南北。」

  2. 四部

"roof" radical in Chinese characters (Kangxi radical 40)​, occurring in 家, 定, 安 etc, see also 寶蓋[bao3 gai4]
toit (radical)​
Radikal Nr. 40 = Dach