Where does “twincest” come from?

twincest (English) comes from English twin, from Middle English twin, from Old English twīn, from Proto-West Germanic twiʀn, from Proto-Germanic twiznaz, from Proto-Indo-European dwisnós, from Proto-Indo-European dwóh₁ — two.

twincest (English): Incestuous sexual relations between twins, or...

Definitions

  1. Incestuous sexual relations between twins, or...

Ancestry of “twincest”, step by step

StepLanguageWordMeaning
1EnglishtwinEither of two people who shared the same uterus...
2Middle Englishtwin
3Old Englishtwīndouble thread, twist, twine, linen-thread, linen
4Proto-West Germanictwiʀntwine, double thread
5Proto-Germanictwiznazthread, twine
6Proto-Indo-Europeandwisnósdouble
7Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁