Endlessly divide land where refreshments are stored (6)

I believe the answer is:

teabag

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'refreshments are stored' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'endlessly divide land where' is the wordplay.
'endlessly' means to remove the last letter.
'divide' becomes 'tear' (tearing is a kind of dividing).
'land where' becomes 'bag' (I've seen this in other clues. I am not sure about the 'where' bit.).
'tear' with its final letter taken off is 'tea'.
'tea'+'bag'='TEABAG'

Can you help me to learn more?

(Another definition for teabag that I've seen is " drink maker".)

I've seen this clue in The Guardian.

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