Definition of "errable"

But there is now vſed of ſome, another maner of Surueying, Butting, Bounding, but ſpecially of entring of the ſame in theſe latter daies, wherof I would not haue you alſo ignorant, and that is in this forme: they enter ſeuerally euery mans Meſuage, or Tenement, and butte and bound firſt the Scite thereof accordingly, and then euen in the ſame enter all in one (infra) they doo particularly butte and bounde, and alſo enter euery mans Errable lande, alſo his Meadowes, Cloſes, and Paſtures, belongyng to euery of the ſame ſeuerall tenements, all together, and then ſet out the Rent in the right Margent thereof, and the fine and the Herriot therfore, to be due in the left Margent thereof, as for your inſtruction, I will ſet out hereafter onely one example.

1588, Valentine Leigh, The Moste Profitable and Commendable Science, of Surueying of Landes, Tenementes, and Hereditamentes: […], […] John Windet, for Andrewe Maunsell, […]

the saide John Combe, his heires and assignes, shall and will, from tyme to tyme, and at all tymes herafter, well and sufficientlie save and keepe harmles and indempnified as well the saide fowre yardes of errable lande

1602, William Combe, John Combe, “The original Conveyance of over a hundred acres of land from William and John Combe to Shakespeare”, in Shakespeare Estate Records‎

By the grant of all a mans errable land there doth paſſe no more but that kinde of land: […]

1651, William Sheppard, The Touch-Stone of Common Assurances. Or, A Plain and Familiar Treatise, Opening the Learning of the Common Assurances or Conveyances of the Kingdome., London: […] W. Lee, M. Walbancke, D. Pakeman, and G. Bedell, page 94