Lewis & Short

prōtō̆plastus (prŏtoplastus, Alcim. 2, 35), i, m., = πρωτοπλαστός (first-formed), the first man; in plur., the first men, Tert. Exhort. ad Castit. 2 fin.; id. adv. Jud. 13; Alcim. 2, 35.