Crossword Genius

One who has depressing experience when daughter leaves (5)

Ross

I believe the answer is:

owner

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'one who has' is the definition.
(a person who has things)

I cannot understand how the rest of the clue works.

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(Other definitions for owner that I've seen before include "One that secured" , "Man of property" , "The one in lawful possession" , "landlord" , "One who possesses" .)

I've seen this clue in The Independent.
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