Research Literature
DOE:
Cameron, Angus, Ashley Crandell Amos, Antonette di Paolo Healey, et al. (eds.).
Dictionary of Old English (A to G). CD-Rom. Toronto: Pontifical Institute of Mediaeval Studies for the Dictionary of Old English Project, 2008.
Kemble, John Mitchell.
Codex diplomaticus aevi Saxonici. 6 vols. Reprint of London 1839-1848. Vaduz: Kraus, 1964.
Sawyer, Peter Hayes.
Anglo-Saxon Charters.
Guides and handbooks / Royal Historical Society ; 8. London: Royal Historical Society, 1968.
Cf. DOE, s.v.: "the name of a fruit-bearing tree, perhaps ‘crabapple-tree’".