Lewis & Short

1. pūrĭtas, ātis, f. [purus], cleanness, purity (post-class.).

  1. I. Lit., Macr. Somn. Scip. 1, 11 fin.; of wine, Pall. 11, 14, 12.
  2. II. Trop.: vivendi, Capitol. Ver. 3: sermonis, Hier. Ep. 57; Vulg. Psa. 17, 21.