Etymology Explorer › Old Irish

Where does “sin” come from?

sin (Old Irish) comes from Proto-Celtic sindos, from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.

Ancestry of “sin”, step by step

StepLanguageWordMeaning
1Proto-Celticsindosthis
2Proto-Indo-Europeansḗmone
3Proto-Indo-Europeansem-together, one

Words derived from “sin”

  • síon
  • síondíonach
Every word from Proto-Indo-European sem- →