A type of duck breed historically associated with English earldoms, though now rare or obsolete.
From 'earl' (a British nobleman) + 'duck' (the waterfowl). The compound suggests either a duck breed kept by nobility or a duck indigenous to earldom lands.
This appears to be an archaic or regional term that reveals how medieval farming was organized around feudal estates—where earls would maintain specialized animal breeds as status symbols and food sources.
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