noun
avocation
av-uh-KAY-shun/ˌævəˈkeɪʃn/
A hobby or pursuit outside one's main occupation.
Building miniature ships is the nurse's avocation when she is off duty.

Etymology
An avocation was literally a calling away, then something that diverted a person from a regular occupation. A leisure pursuit preserves that idea of an absorbing activity outside one's regular work.
In context
it's it's an avocation it's a hobby I've been doing it that way for a long time
More examples
- He pursued woodworking as an avocation for many years.
- Her avocations include gardening and birdwatching.
- The weekend avocation eventually became a successful business.
Forms
avocation · avocations