defecar

Till the soul be defecate from the dregs of sense. --Bates.
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Defecate Def"e*cate, v. t. [imp. & p. p. Defecated; p. pr. & vb. n. {Defecating}.]
1. To clear from impurities, as lees, dregs, etc.; to
clarify; to purify; to refine.
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To defecate the dark and muddy oil of amber. --Boyle.
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2. To free from extraneous or polluting matter; to clear; to purify, as from that which materializes.
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We defecate the notion from materiality. --Glanvill. [1913 Webster]

Defecated from all the impurities of sense. --Bp. Warburton.
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Defecate Def"e*cate, v. i. 1. To become clear, pure, or free. --Goldsmith.
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2. To void excrement. [1913 Webster]

Source: The Collaborative International Dictionary of English