πιστός

From πιθ- (pith-) (zero-grade of the root of πείθω (peíthō, “to persuade; to trust”)) +‎ -τός (-tós, verbal adjective suffix).

πῐστός • (pistós) m (feminine πῐστή, neuter πῐστόν); first/second declension

1. (passive voice) faithful, trusty
2. (active voice)
   1. faithful, believing
   2. obedient, loyal

• πιστόω (pistóō)

• “πιστός”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
• “πιστός”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• “πιστός”, in Autenrieth, Georg (1891) A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
• πιστός in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• πιστός in Cunliffe, Richard J. (1924) A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
• “πιστός”, in Slater, William J. (1969) Lexicon to Pindar, Berlin: Walter de Gruyter
• G4103 in Strong, James (1979) Strong’s Exhaustive Concordance to the Bible
• πιστός 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.
  • authentic idem, page 53.
  • authoritative idem, page 53.
  • believable idem, page 72.
  • binding idem, page 79.
  • certain idem, page 122.
  • confident idem, page 158.
  • constant idem, page 164.
  • credible idem, page 183.
  • crucial idem, page 187.
  • doughty idem, page 248.
  • faithful idem, page 303.
  • fast idem, page 308.
  • firm idem, page 322.
  • loyal idem, page 503.
  • reliable idem, page 690.
  • rely on idem, page 692.
  • safe idem, page 730.
  • scrupulous idem, page 743.
  • secure idem, page 747.
  • stable idem, page 808.
  • stanch idem, page 810.
  • steadfast idem, page 814.
  • sure idem, page 842.
  • tried idem, page 895.
  • trust idem, page 899.
  • trusty idem, page 899.
  • unfailing idem, page 917.

From Ancient Greek πιστός.

πιστός • (pistós) m (feminine πιστή, neuter πιστό)

1. faithful, true

   ένας πιστός φίλος (a faithful friend)

2. perfect

   ένα πιστό αντίγραφο (a perfect copy)

• πίστη f (písti, “faith, creed”)
• πιστεύω (pistévo, “to believe”)

πιστός • (pistós) m (plural πιστοί, feminine πιστή)

1. (religion) believer (usually in the plural)