懂中文 Dong Chinese

喔

ō, wo

oh, surprised sound

Phonosemantic compound. 口 represents the meaning and 屋 represents the sound.

Components
口 meaning component

口  Meaning component

kǒu

  

mouth

屋 sound component

屋  Sound component

wū

  

house, room

Evolution

喔 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
喔 Regular script Modern

Regular script

Modern
Definitions

喔  

ō

descriptive of crying or of crowing; I see; oh

喔  

wo

(particle) marker of surprise, sudden realization, reminder