• ἀγασός(agasós) —Laconian
• ἀζαθός(azathós) —Arcadocypriot

Possibly fromProto-Hellenic*əgatʰós, fromProto-Indo-European*m̥ǵh₂dʰh₁ós(“made great; whose deeds are great”), from*méǵh₂s(“great”) +*dʰeh₁-(“do”) +*-ós. CompareLatinmagnificus from same roots.

Beekes notes that if the glossing synonymsἀκαθός(akathós) andχάσιος(khásios) are related toἀγαθός(agathós), one would be forced to assumePre-Greek borrowing instead.^[1][2]

ᾰ̓γᾰθός• (ăgăthós) m (feminineᾰ̓γᾰθή,neuterᾰ̓γᾰθόν);first/second declension

1. good,brave,noble,moral,gentle
2. fortunate,lucky
3. useful

The difference between the three most common comparatives/superlatives is the following:

• ἀμείνων(ameínōn),ἄριστος(áristos): stronger, braver, preferable, superior.
• βελτίων(beltíōn),βέλτιστος(béltistos): more fitting, morally superior.
• κρείσσων(kreíssōn),κράτιστος(krátistos): better, stronger.

• Greek:αγαθός(agathós)
• → Coptic:ⲁⲅⲁⲑⲟⲥ(agathos)

• “ἀγαθός”, inLiddell & Scott (1940),A Greek–English Lexicon, Oxford: Clarendon Press
• “ἀγαθός”, inLiddell & Scott (1889),An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• “ἀγαθός”, inAutenrieth, Georg (1891),A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
• ἀγαθός inBailly, Anatole (1935),Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• Bauer, Walter et al. (2001),A Greek–English Lexicon of the New Testament and Other Early Christian Literature, Third edition, Chicago: University of Chicago Press
• ἀγαθός inCunliffe, Richard J. (1924),A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published1963
• ἀγαθός in theDiccionario Griego–Español en línea (2006–2025)
• “ἀγαθός”, inSlater, William J. (1969),Lexicon to Pindar, Berlin: Walter de Gruyter
• G18 inStrong, James (1979),Strong’s Exhaustive Concordance to the Bible
• Woodhouse, S. C. (1910),English–Greek Dictionary: A Vocabulary of the Attic Language‎^[1], London: Routledge & Kegan Paul Limited.
  • admirable idem, page 12.
  • adroit idem, page 13.
  • bold idem, page 88.
  • brave idem, page 93.
  • courageous idem, page 178.
  • estimable idem, page 283.
  • excellent idem, page 288.
  • exemplary idem, page 290.
  • gallant idem, page 352.
  • good idem, page 366.
  • skilful idem, page 780.
  • virtuous idem, page 954.

• Ancient Greek terms derived from Proto-Indo-European
• Ancient Greek terms derived from the Proto-Indo-European root *dʰeh₁-
• Ancient Greek terms inherited from Proto-Hellenic
• Ancient Greek terms derived from Proto-Hellenic
• Ancient Greek terms inherited from Proto-Indo-European
• Ancient Greek terms derived from a Pre-Greek substrate
• Ancient Greek 3-syllable words
• Ancient Greek terms with IPA pronunciation
• Ancient Greek lemmas
• Ancient Greek adjectives
• Ancient Greek oxytone terms
• Ancient Greek suppletive adjectives

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