φλαῦρος

No clear etymology, but perhaps a Pre-Greek word. The adjective does look similar to synonymous φαῦλος (phaûlos, “cheap, paltry, easy”); both could have dissimilated from an original form *φλαῦλος (*phlaûlos). Similar forms and meanings are shown by Old Norse blautr (“weak; wet”) and Lithuanian biaũrus (“filthy, appalling, ugly”).

φλαῦρος • (phlaûros) m (feminine φλαύρη, neuter φλαῦρον); first/second declension

1. petty, paltry, trivial
2. indifferent, bad
3. shabby, plain (of personal appearance)

• “φλαῦρος”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
• “φλαῦρος”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• φλαῦρος in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• Beekes, Robert S. P. (2010) Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN