pēsäläˈdyer noun
( -s )
Etymology: French, from Provençal (Nice) pissaladiero , from pissala preserved crushed and salted fish, from pis, peis fish (from Old Provençal peis , from Latin piscis ) + sala , past participle of sala to salt, from Old Provençal salar — more at fish salad
: an open-faced pastry topped with olives, onions, and anchovies