Lewis & Short

aurūgo, ĭnis, f [aurum].

  1. I. The jaundice (from its color), Isid. Orig. 4, 8, 13: aurugo, quam quidam regium, quidam arquatum morbum vocant, Scrib. Comp. 110; 127; App. Herb. 85; cf. Apul. Orth. § 41; hence, sickly look, paleness, Vulg Jer. 30, 6.
  2. II. Of plants, mildew, Vulg. 2 Par. 6, 28; ib. Amos, 4, 9.