horse, run
騑 centers on a horse in motion, specifically running. The meaning 'horse' is the animal itself, while 'run' describes its action.
騑 combines 馬 (horse) with 非, which likely contributes the sound. The character is associated with a horse running or a team of horses.
A horse 馬 beside 非, which looks like wings or a flurry of motion. Picture a horse with wing-like speed, running swiftly.
For ヒ, imagine a horse running so fast it leaves a heat haze: heat -> ヒ, and the horse's speed creates the shimmer.