Crossword Genius

In the case of the lady, an unexpected death (8)

Ross

I believe the answer is:

sheathed

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

'in the case of' is the definition.
I can't judge whether this definition defines the answer.

'lady an unexpected death' is the wordplay.
'lady' becomes 'she' ('she' refers to a woman).
'an unexpected' indicates anagramming the letters.
'death' with letters rearranged gives 'athed'.
'she'+'athed'='SHEATHED'

'the' acts as a link.

Can you help me to learn more?

(Other definitions for sheathed that I've seen before include "Encased in close-fitting covering - say sword" , "Of sword, placed in scabbard" , "Covered for protection" , "put in protective cover" , "Put sword back in covering" .)

I've seen this clue in the Evening Standard.
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