Isidore de Séville , Origines (Etymologiarum), 11.1.103

idem et ueretrum , quia uiri est tantum , siue quod ex eo uirus emittitur
Bibliography
J. N. Adams , The Latin Sexual Vocabulary, 52 - More with this book More on this page
Tags
#aidoion #euphemism #male #mentula