Crossword Genius

A rise in quantity (6)

Ross

I believe the answer is:

amount

'quantity' is the definition.
(I know that quantity can be written as amount)

'a rise' is the wordplay.
'rise' becomes 'mount' (both can mean to increase).
'a'+'mount'='AMOUNT'

'in' acts as a link.

(Other definitions for amount that I've seen before include "Supply" , "Total or extent" , "Sum of money" , "value" , "Add up or be equivalent to" .)

I've seen this clue in The Hindu.
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