Lewis & Short

1. lŭo, lui, 3, v. a. [root lu-, to wash; Gr. λούω, λουτρόν; cf. λῦμα, λύθρον, polluo, diluo, and lavo],

  1. I. to wash, lave.
    Lit.: Graecia luitur Ionio, Sil. 11, 22: amnis moenia luit, Prud. στεφ. 3, 190.
  2. II. Trop., to cleanse, purge: insontes errore luit, Val. Fl. 3, 407.