From Frenchaccoucheur, from accoucher ("to go to childbed, be delivered"), from Old Frenchculcher ("to lie"), from Latincolloco, from com ("with") + loco ("to place"). See accouchement.
1992, Hilary Mantel, A Place of Greater Safety, Harper Perennial 2007, p. 163:Family story: on the day of his birth the accoucheur approached his father, the baby wrapped in a cloth.