The headword occurs only in the phrase u(po/dra i)dw/n, "looking from under the brows", attested twenty-six times in Homer; see e.g. the formulaic verses Iliad 1.148 (web address 1) and 4.349 (web address 2). See also tau 883, and cf. the extensive entries in Etymologicum Gudianum (three separate ones s.v. u(po/dra), Hesychius (two), Etymologicum Magnum, and Orion [Author, Myth].