finnan haddie
noun
fin·nan had·die ˌfi-nən-ˈha-dē 
: smoked haddock
called also finnan haddock
Example Sentences
Recent Examples on the Web Cooks stuck in lockdown have also been eager for shelf-stable products like smoked salmon, finnan haddie, salt cod and even one product that none of Mr. DeMasco’s restaurant clients will touch: frozen fish. 
Pete Wells, New York Times, 5 May 2020
Pete Wells, New York Times, 5 May 2020 Word History
Etymology
alteration of findon haddock, from Findon, village in Scotland
First Known Use
1848, in the meaning defined above