Crossword Genius

Late but not unwilling (7)

Ross

I believe the answer is:

testate

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

'late' is the definition.
Both the definition and answer are adjectives. Maybe they are linked in a way I don't understand?

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for testate that I've seen before include "Having written a valid will" , "Having made a will before death" , "Having left a legacy" , "State of having made a will" , "Having left valid will at death" .)

I've seen this clue in The Globe and Mail.
Want a hint initially instead of a full solution? Install my app