ἰδιογενής

ές
A. mating only with its kind, opp. κοινογενής, Pl. Plt. 265e.
2. peculiar in kind, Herm. ap.Stob. 1.49.44, Dsc. 2.66.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project