Where does “jirn” come from?

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

Ancestry of “jirn”, step by step

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

Words derived from “jirn”

Every word from Proto-Indo-European ǵʰorn- →Every word from Proto-Germanic garną →
jirn — Etymology, Origin & Word History | Etymology Explorer