Epurate

v. rare. [f. épur-er to purify: see -ATE³ 6.] trans. To purify. lit. and fig.

1799.  Hist., in Ann. Reg., 474. The departmental administration, which having been long before epurated, was in the secret of the revolution.

1801.  W. Taylor, in Monthly Mag., XII. 581. As the evaporation of water in the sunshine epurates the atmosphere. Ibid. (1813), Monthly Rev., LXXII. 473. With a diction epurated at Paris in royal times, she [Mde. de Genlis] is still not a classical writer.

  Hence Epurated ppl. a.

1815.  W. Taylor, in Monthly Rev., LXXVI. 501. An epurated Christianity.