fellatio

noun

Etymology: Etymology tree Proto-Indo-European *dʰeh₁(y)- Latin fellō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin fellātiōlbor. English fellatio Learned borrowing from Latin fellātiō, from fellātus, perfect participle of fellō (“to suck, to fellate”). The word started to appear in medical literature in the 19th century but it was still treated as Latin. In 1919, the California Supreme Court struck down a law criminalizing fellatio because the state constitution required laws to be written in English. By the late 20th century, fellatio was treated as an English word.

1. Performance of oral sex upon the penis.

   “In 7 oder 8 anderen Fällen ging die geschlechtliche Beziehung selten über enge Berührung oder gegenseitige Masturbation hinaus. In 2 oder 3 anderen Fällen ist fellatio die bevorzugte Methode.”

   “That the word "fellatio" has not become Anglicized is so clearly apparent that further comment seems unnecessary. […] Section 288a of the Penal Code is void for uncertainty as well as for the reason that it is not expressed in the English language.]”