Crossword Genius

… covering round character with enough money to keep going (6)

Ross

I believe the answer is:

afloat

'with enough money to keep going' is the definition.
(staying afloat financially)

I cannot understand how the remainder of the clue works.

(Other definitions for afloat that I've seen before include "Resting on water" , "At sea - in circulation" , "With one's head above water" , "Aboard ship" , "On board a ship or boat" .)

I've seen this clue in The Guardian.
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