ἄριστος

Probably from Proto-Indo-European *h₂éristos (“fittest, most fitting, most suitable”), the superlative of *h₂er- (“to fit, be suitable”). Compare ἀραρίσκω (ararískō, “to join, fasten”);^[1] also cognate with Hittite (arra-, “wash”), Tocharian A yär- (“wash”).

ᾰ̓́ρῐστος • (ắrĭstos) m (feminine ᾰ̓ρῐ́στη, neuter ᾰ̓́ρῐστον); first/second declension

1. superlative degree of ᾰ̓γᾰθός (ăgăthós): best

Used as the superlative of ᾰ̓γᾰθός (ăgăthós, “good, brave, noble, moral”) , along with βέλτῐστος (béltĭstos) and κρᾰ́τῐστος (krắtĭstos).

• “ἄριστος”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
• “ἄριστος”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• “ἄριστος”, in Autenrieth, Georg (1891) A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
• ἄριστος in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• ἄριστος in Cunliffe, Richard J. (1924) A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
• ἄριστος in the Diccionario Griego–Español en línea (2006–2025)
• “ἄριστος”, in Slater, William J. (1969) Lexicon to Pindar, Berlin: Walter de Gruyter
• ἄριστος in Trapp, Erich, et al. (1994–2007) Lexikon zur byzantinischen Gräzität besonders des 9.-12. Jahrhunderts [the Lexicon of Byzantine Hellenism, Particularly the 9th–12th Centuries], Verlag der Österreichischen Akademie der Wissenschaften
• Woodhouse, S. C. (1910) English–Greek Dictionary: A Vocabulary of the Attic Language‎, London: Routledge & Kegan Paul Limited.
  • best idem, page 75.
  • peerless idem, page 602.
• Joseph Harold Greenberg, Indo-European and its closest relatives. 2. Lexicon. p.23