Lewis & Short

caenōsus (coen-), a, um, adj. [caenum],

  1. I. muddy, dirty, foul, marshy (rare): lacus. Col. 7, 10, 6: gurges (i. e. Styx), Juv. 3, 266.
    Comp.: caenosior liquor, Sol. 49 fin.
  2. II. Trop.: impuritas, Salv. Gub. Dei, 3, 10.