Usage: 1 form in 2 verses
Form Translated As     In Verse(s)
πρωτογενέσ O first-born LXX.Prov.31.2
first-born of kind LXX.Exod.13.2

Liddell-Scott-Jones

πρωτογενής (prōtogenēs) first-born G:A

πρωτογενής-γενής, ές,

(γενέσθαι) first-born, primeval, κτῆμα, εἶδος, [Refs 5th c.BC+]; of persons, [LXX+5th c.AD+]; epithet of Τύχη, [Refs]; Τύχη π.,= Fortuna Primigenia, [Refs]

LSJ Scripture Refs: LXX.Exod.13.2