Taken from entries in the Winchester Pipe Rolls from
SN4086 Peasant Land Market in Southern England, 1260-1350:
1309 Waltham St Lawrence, Berkshire: John atte Cruch' de Walth'm, son of John, paid 2/- for the surrender of half an acre of of purpresture previously owned by Roger Abrah'm.
Purpresture - secondary quality land not subject to the obligations placed on bondland, and which therefore could be exchanged more freely.