Where does “fornication” come from?

Fornication comes from Middle English fornicacioun, from Old French fornicacion, from Latin fornicatio, a noun formation using the Latin suffix -tio applied to fornix, ultimately from Proto-Indo-European -tis.

fornication (English): Sexual intercourse by people who are not married,...

Definitions

  1. Sexual intercourse by people who are not married,...

Ancestry of “fornication”, step by step

StepLanguageWordMeaning
1Middle Englishfornicacioun—
2Old Frenchfornicacion—
3Latinfornicatiofornication; whoredom, prostitution
4Latinfornixarch, vault; brothel
5Latinfurnusoven; bakery
6Proto-Italicfornos—
7Proto-Indo-Europeangʷʰr̥-nós—
8Indo-European*gʷʰer-—

Words derived from “fornication”

Every word from Indo-European *gʷʰer- →Every word from Proto-Indo-European gʷʰr̥-nós →Every word from Proto-Italic fornos →