ὀγδο-ήκοντα, οἱ, αἱ, τά,
indeclinable, eighty, [[ 5th c.BC: Thucydides Historicus 5.47, etc.] Refs 5th c.BC+]: Ionic dialect and Doric dialect ὀγδώκοντα [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 2.568, 5th c.BC: Herodotus Historicus 1.163, 3rd c.BC: Theocritus Poeta Bucolicus 4.34 ] Refs 8th c.BC+]; ὀδώκοντα [[ “Ostr.” 323.6 (2nd c.BC). ] Refs 2nd c.BC+]