the world > food and drink > farming > cultivation or tillage > breaking up land > ploughing > plough (land) [verb (transitive)] > plough for third or last time
thry-fallow1428
four-fallow1577
three-fallow1577
foil1669
1577 B. Googe tr. C. Heresbach Foure Bks. Husbandryi. f. 22v You must not only twyfallowe & threefallowe your ground, but also fourefallow it.