surname Wan
Phonosemantic compound. 宀 represents the meaning and 夗 represents the sound. Based on the original meaning "building", now written as 館. The current meaning is a phonetic loan.
《說文》：“宛，屈艸自覆也。从宀，夗聲。惌，宛或从心。徐灝注箋：“夗者，屈曲之義，宛从宀，蓋謂宮室窈然深曲，引申為凡圓曲之偁，又為屈折之偁。屈草自覆未詳其恉。”
building