society > occupation and work > industry > earth-moving, etc. > [adjective] > dug or excavated
the world > food and drink > farming > farm > farmland > land suitable for cultivation > [adjective] > broken > dug
1673 J. Milton On Death Fair Infant v, in (new ed.) 19 Hid from the world in a low delved tombe.
1883 15 38 The delved and ploughed portion, about 2½ acres.