Crossword Genius

A convalescent's name (3)

Ross

I believe the answer is:

val

I'm a little stuck... Click here to teach me more about this clue!

'name' is the definition.

'a convalescent's' is the wordplay.
'VAL' is hidden in amongst the letters.
But, I'm unsure how this is indicated.

Can you help me to learn more?

(Other definitions for val that I've seen before include "girl" , "- Kilmer, US_actor" .)

I've seen this clue in the Evening Standard.
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