Related production out of the box? (4)

I believe the answer is:

akin

I'm a little stuck... Click here to teach me more about this clue!

'related' is the definition.
(synonyms)

I cannot understand how the rest of the clue works.

(Other definitions for akin that I've seen before include "Close" , "Similar in quality" , "Related or similiar" , "not totally similar" , "Of a similar nature" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.