1) A fairly common field-name, evidently given to land which required breaking up after being cleared of trees.
c.1190 xiij acras terre de essarto ... inter Hackinge et Schalecloh, Fixby
1336 ‘an assart called le Hackyng’, Fixby. Similar names are: 1465 ‘a close called Hakeyng’, Lepton
1507 ‘in a place called le Hakkings’, Ardsley
1640 one Close of Mathew Oxleys Comonly Called the Loyne Hackings, Cumberworth.