, es; m.I.circumcision :-- Mið ymbcyrf circumcisione, Mt. Kmbl. p. 12, 11: 16, 13. II.a cutting off :-- Of ymbcyrf liomana de abscisiane membrorum, Mk. Skt. p. 4, 9.
Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "ymb-cyrf." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 1295.