Steeped in tradition, a Malayali festival (4)

I believe the answer is:

onam

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

'steeped' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'in tradition a malayali festival' is the wordplay.
'in' indicates a hidden word.
'ONAM' is hidden within 'tradition a malayali festival'.

Can you help me to learn more?

I've seen this clue in The Hindu.

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.