Gainage
Gainage (?, 48) , noun
[Old French gaignage pasturage, crop, French gaignage pasturage. See Gain, transitive verb]
(a)
(O. Eng. Law) The horses, oxen, plows, wains or wagons and implements for carrying on tillage.
(b)
(O. Eng. Law) The profit made by tillage; also, the land itself. — Bouvier