egerdouce
/ˈɛɡəduːs/ /ɛɡəˈdus/(also egredouce) historical in later use
noun
A sauce made with sweet and sour ingredients; a dish prepared with such a sauce.
Origin
Late Middle English; earliest use found in Diuersa Servicia. Apparently from an unattested Anglo-Norman or Middle French noun *aigre-douce, use as noun of feminine of aigre-doux sweet and sour.