εἰκοσα-ετής, ές,
or εἰκοσα-έτης, ες, of twenty years, παῖς [[ 5th c.BC: Herodotus Historicus 1.136; χρόνος 1st-2nd c.AD: Plutarchus Biographus et Philosophus 2.113d, Wilcken “Chr.” 41 iii 21 (3rd c.AD)] Refs 5th c.BC+]:—better εἰκοσιετής, feminine -ετίς, [[ 5th-6th c.BC: Plato Philosophus “Respublica” 460e, 2nd-3rd c.AD: Dio Cassius Historicus 55.9; ϝικατιϝέτιες “IG” 7.3068 (Lebad.). ] Refs 5th c.BC+]