Where does “Rune” come from?

Rune (Swedish) comes from Old Norse rúni, from Proto-Germanic rūnô, from Proto-Germanic rūnō, from Proto-Celtic rūnā — secret, mystery.

Ancestry of “Rune”, step by step

StepLanguageWordMeaning
1Old Norserúnimale pig
2Proto-Germanicrūnôcounselor
3Proto-Germanicrūnōsecret, mystery; rune
4Proto-Celticrūnāsecret, mystery

Words derived from “Rune

Every word from Proto-Celtic rūnāEvery word from Proto-Germanic rūnōEvery word from Proto-Germanic rūnô