HSK10+
zhù
candle wick
Phonosemantic compound. 火 represents the meaning and 主 represents the sound. Originally written as 主, a pictograph of a torch.
火 Meaning component
huǒ
fire
主 Sound component
zhǔ
master
Clerical script
Regular script
炷
candle wick, lamp wick; stick of incense; wick of an oil lamp; to burn (incense etc); classifier for lit incense sticks
Academia Sinica
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing