;p. ode To defile, pollute :-- Unwyrtrumias ł unclǽnsias eradicetis, Mt. Kmbl. Lind. 13, 29. Unclaensia inquinare, p, 17, 12. v. ge-unclǽnsian, and next word.
Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "un-clǽnsian." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 1094.