What occurs in tub at home? (4)

I believe the answer is:

bath

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'what occurs' is the definition.
I can't judge whether this defines the answer.

'in tub at home?' is the wordplay.
'in' says the answer is hidden in the clue.
'BATH' can be found hidden inside 'tub at home'.

Can you help me to learn more?

(Other definitions for bath that I've seen before include "Scene of ablutions" , "(Container for) ablution" , "steam-room" , "Tub for washing" , "Stopper for hole (don't let 8 through it!)" .)

I've seen this clue in The Sun and The Times.

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