English → Latin
“incest” in Latin
incestusunclean, impure, polluted, defiled, sinful, unrighteous, criminal; unchaste, lewd, incestuous, lustfulcommittōto join together, unite, connect, put together; to practise or perpetrate wrong, do injustice; commit a crime; to begin
The English word incest itself goes back to Latin castus, through incestus.
Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864
incest
incestus, ūs; incestum: domesticum germanitatis stuprum (between brother and sister; Cic., Harusp. Resp., 20, 42). To commit incest, incestum facere, committere; with one’s own (whole or half) sister, cum germanā sorore nefarium stuprum facere; with one’s daughter, incestare filiam.
Quick answer
- What is the Latin word for incest?
- The usual Latin words for “incest” are incestus, committō. The right choice depends on the sense; see the distinctions below.
Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.