Horse Riding, Mounted, Nomadic
Horse horse, look at all these horses. What do you do with horses? You do horse riding, aka horse riding.
This word is often used at the beginning of compounds, where you'll see it translated as things like mounted, as in "mounted police" or nomadic, as in "nomadic tribes". It's working like an adjective there, but it's still a noun in Japanese.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
I saw a mounted police officer arrest a thief.
It's such a contradiction to call them a nomadic people even though they can't ride horses.
I have to wake up early tomorrow morning to practice for the athletic meet’s mock cavalry battle.