accustomed, get used to, become experienced
慣 centers on becoming familiar through repeated exposure: getting used to something, becoming accustomed, or gaining experience so that it feels natural.
慣 combines 忄 (heart/mind) with 貫, which likely contributes the sound and the idea of passing through or becoming familiar. The character suggests the mind growing accustomed through repeated passage.
The heart radical 忄 beside 貫 (pierce/penetrate) suggests an idea piercing the heart repeatedly until it becomes familiar. Imagine a habit piercing through your mind until you are completely used to it.
For カン, picture a can of your favorite drink that you open every day until it becomes a familiar routine: can -> カン, and the habit becomes second nature.
practice; experience; habituation
habit
to get used to; to grow accustomed to; to become familiar with
custom; convention; common practice
custom; practice; convention; precedent
inexperienced; unfamiliar (with); unversed; lacking experience
running-in; breaking in (e.g. engine, etc.); accustomizing; warming up
inertia
customary practice; habit; traditional event
customary use; common usage; general usage
being used to ...; getting used to ...; being accustomed to; being conditioned to; be familiar with
to accustom; to train (e.g. one's ear)
to become familiar (to one's ears)
to be used to doing; to be experienced in
preparatory activity
to become used to the (ways of the) world; to become worldly or sophisticated
being used to people (e.g. of a young child); being sociable
to become accustomed to people
to get used to living (in); to live (somewhere) for a long time
to accustom oneself to using; to train; to break in (horses)