rage, run wild
駻 centers on a horse that is out of control: raging, running wild, or acting violently.
駻 combines 馬 (horse) with 旱, which likely contributes the sound and may suggest a horse that is fierce or uncontrollable.
A horse 馬 beside the component 旱, which looks like a sun 日 over a shield 干. Imagine a horse charging under the hot sun, breaking free from its shield-like restraint and running wild with rage.
For カン, picture a raging horse that you can barely control: can -> カン, as in 'Can you tame this wild horse?'
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