δικαστής

δῐκᾰ́ζω (dĭkắzō, “to judge”) +‎ -της (-tēs, “-er”, masculine agent-noun suffix): literally, “judger”.

δῐκᾰστής • (dĭkăstḗs) m (genitive δῐκᾰστοῦ); first declension (Attic, Ionic, Koine)

1. (law) judge
   • 460 BCE – 420 BCE, Herodotus, Histories 1.96.2:

     Οἱ δ’ ἐκ τῆς αὐτῆς κώμης Μῆδοι ὁρῶντες αὐτοῦ τοὺς τρόπους δικαστήν μιν ἑωυτῶν αἱρέοντο.

     Hoi d’ ek tês autês kṓmēs Mêdoi horôntes autoû toùs trópous dikastḗn min heōutôn hairéonto.

     Then the Medes from the same town, seeing his behavior, chose him to be their judge.

   • 460 BCE – 420 BCE, Herodotus, Histories 3.14.2–3
   • 460 BCE – 420 BCE, Herodotus, Histories 3.31
   • 458 BCE, Aeschylus, The Libation Bearers 120
   • 458 BCE, Aeschylus, The Eumenides 81
2. (law, in Athens) juror, juryman
   • 497 BCE – 405 BCE, Sophocles, Ajax 1136:

     Ἐν τοῖς δικασταῖς, κοὐκ ἐμοί, τόδ’ ἐσφάλη.

     En toîs dikastaîs, kouk emoí, tód’ esphálē.

     • Translation by Sir Richard Jebb

       At the hands of the jurymen, not mine, he suffered that loss.

• δικαστήρ (dikastḗr)

• ἀρχῐδῐκᾰστής (arkhĭdĭkăstḗs)

• δικαστήριον (dikastḗrion)

• “δικαστής”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press

From Ancient Greek δικαστής (dikastḗs). By surface analysis, δικάζω (dikázo) +‎ -τής (-tís).

δικαστής • (dikastís) m or f (plural δικαστές, feminine δικαστίνα)

1. (law) judge

• αρχιδικαστής (archidikastís, “chief justice”)

• see: δίκη f (díki, “trial”)

• δικαστής on the Greek Wikipedia.Wikipedia ^el