Where does “fiōr” come from?

fiōr (Old Frisian) comes from Proto-Germanic fōr, from Proto-Indo-European péh₂wr̥ — bonfire; spelt.

Ancestry of “fiōr”, step by step

StepLanguageWordMeaning
1Proto-Germanicfōrfire
2Proto-Indo-Europeanpéh₂wr̥bonfire; spelt
Every word from Proto-Indo-European péh₂wr̥ →Every word from Proto-Germanic fōr →