Where does “*jern” come from?

*jern (Old Frisian) comes from Proto-Germanic garną, from Proto-Indo-European ǵʰorn-.

Ancestry of “*jern”, step by step

StepLanguageWordMeaning
1Proto-Germanicgarnąyarn
2Proto-Indo-Europeanǵʰorn-

Words derived from “*jern

Every word from Proto-Indo-European ǵʰorn-Every word from Proto-Germanic garną