Crossword Genius

Spanish drink — it's okay for the French (4)

Ross

I believe the answer is:

cava

'spanish drink' is the definition.
(Spanish alcoholic drink)

I cannot understand how the remainder of the clue works.

(Other definitions for cava that I've seen before include "Spanish bubbly" , "Spanish sparkling white wine" , "Spanish sparking wine" , "sparkling drink" , "Sparkler" .)

I've seen this clue in The Guardian.
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