nonestrogen

Etymology tree Proto-Indo-European *né Proto-Germanic *ne Proto-Indo-European *ís? Proto-Indo-European *h₁óynos Proto-Germanic *ainaz Proto-Germanic *nainaz Proto-West Germanic *nain Old English nān Middle English non ▲ Old English nān Old English nān- Middle English non- English non- Proto-Indo-European *h₁eysh₂-der. Ancient Greek οἶστρος (oîstros)der. Latin oestrusbor. English estrus Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English estro- Proto-Indo-European *ǵenh₁- Proto-Indo-European *-os Proto-Indo-European *ǵénh₁os Proto-Hellenic *génos Ancient Greek γένος (génos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -γενής (-genḗs)lbor. French -gènebor. English -gen English estrogen English nonestrogen From non- + estrogen.

来源：wiktionary