ride horseback

Phonosemantic compound. represents the meaning and represents the sound.

Components
馬 meaning component

  Meaning component

  

horse

奇 sound component

  Sound component

  

strange

Evolution

騎 Bronze script Warring States (475-221 BC)

Bronze script

Warring States (475-221 BC)
騎 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
騎 Clerical script Eastern Han dynasty (25-220 AD)

Clerical script

Eastern Han dynasty (25-220 AD)
騎 Regular script Modern

Regular script

Modern
Definitions

() 

ride horseback; mount; cavalry; to sit astride; to ride (a horse, bike etc); classifier for saddle horses

() 

(Tw) saddle horse; mounted soldier

Most common words with 騎
Freq.
Word
Meaning

to sit astride

骑士

horseman

骑兵

cavalry

骑马

to ride a horse

骑车

to cycle