Origin: 1400–50; Middle English, variant of covee < Anglo-French, Old French, noun use of feminine of past participle of cover to hatch < Latin cubāre to lie down; compare couvade, concubine
mid-15c., "brood of partridges," from O.Fr. covée "brood," from Gallo-Rom. *cubata, lit. "hatchling," from L. cubare "to sit, incubate, hatch" (see incubation).