HSK10+
wēng
sound of flying bees
Phonosemantic compound. 口 represents the meaning and 翁 represents the sound.
口 Meaning component
kǒu
mouth
翁 Sound component
old man
嗡
sound of flying bees, airplanes; (onom.) buzz; hum; drone
嗡嗡
buzz
hum
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing