surname Du
Phonosemantic compound. ⻏ represents the meaning and 者 represents the sound. Based on the meaning "large city, capital", which is the meaning when pronounced "dū". When pronounced "dōu", it has the unrelated meaning "all", etymologically related to 多 (many).
《說文》：“都，有先君之舊宗廟曰都。从邑，者聲。《周禮》距國五百里為都。”