From Proto-Indo-European *dʰers-. Cognates include Sanskrit धृष्णोति (dhṛṣṇóti), Czech drzý and Lithuanian drąsus.

θρᾰ́σος • (thrắsos) n (genitive θρᾰ́σεος or θρᾰ́σους); third declension

1. confidence, courage, boldness
2. rashness, impudence, audacity

• θάρσος (thársos)
• θέρσος (thérsos)
• θρασύς (thrasús)

• θράσος n (thrásos, “audacity”)

• “θράσος”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
• “θράσος”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• “θράσος”, in Autenrieth, Georg (1891) A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
• θράσος in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• θράσος in Cunliffe, Richard J. (1924) A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
• “θράσος”, in Slater, William J. (1969) Lexicon to Pindar, Berlin: Walter de Gruyter
• Woodhouse, S. C. (1910) English–Greek Dictionary: A Vocabulary of the Attic Language‎, London: Routledge & Kegan Paul Limited.
  • ardour idem, page 39.
  • assertion idem, page 45.
  • audacity idem, page 52.
  • bluffness idem, page 86.
  • boldness idem, page 88.
  • bravery idem, page 94.
  • confidence idem, page 158.
  • courage idem, page 178.
  • dasing idem, page 196.
  • effrontery idem, page 263.
  • encouragement idem, page 271.
  • forwardness idem, page 340.
  • hardihood idem, page 385.
  • immodesty idem, page 418.
  • impudence idem, page 425.
  • incautiousness idem, page 427.
  • insolence idem, page 445.
  • nerve idem, page 556.
  • pertness idem, page 609.
  • petulance idem, page 609.
  • presumption idem, page 638.
  • presumptuousness idem, page 638.
  • push idem, page 660.
  • rashness idem, page 673.
  • recklessness idem, page 679.
  • reliance idem, page 691.
  • resolution idem, page 702.
  • self-confidence idem, page 750.
  • self-reliance idem, page 751.
  • shamelessness idem, page 761.
  • temerity idem, page 859.
  • trust idem, page 899.
  • unscrupulousness idem, page 931.
  • venturesomeness idem, page 948.

θράσος • (thrásos) n (uncountable)

1. effrontery, audacity
2. cheek, impudence

• τόλμη f (tólmi)

• θρασύς (thrasýs, “cheeky, impudent”, adjective)