fosseia

fosseia, ~ium [AN fossé < fossatum] , dike, ditch. c1182 cum in novo fosseio operari debent, in plana terra singule vj gate perticam iij pedum profundam et v per latitudinem perficiet, et reparare debent fosseum quando opus fuerit RB Worc. 409; c1200 unam acram juxta fosseyam que se extendit a gardino Willelmi versus le Nord Cart. Beauchamp 216 p. 125.