Longstanding feud (8)

I believe the answer is:
vendetta
(Other definitions for vendetta that I've seen before include "Unremitting battle" , "ongoing row" , "Prolonged bitter quarrel" , "Sicilian blood feud" , "A bitter Italian feud" .)
I believe the answer is:
vendetta
(Other definitions for vendetta that I've seen before include "Unremitting battle" , "ongoing row" , "Prolonged bitter quarrel" , "Sicilian blood feud" , "A bitter Italian feud" .)