Old English isern

← Welsh haearn (cognate)

← German Eisen (cognate)

← West Frisian izer (cognate)

← Irish iarann (cognate)

← Proto-West Germanic *īsarn (inherited)

← Old High German īsarn (cognate)

← Gothic 𐌴𐌹𐍃𐌰𐍂𐌽 (cognate)

← Low German Iesen (cognate)

← Dutch ijzer (cognate)

← Old Norse járn (cognate)

← Old Dutch *īsarn (cognate)

← Old Frisian īsern (cognate)

← Old Saxon īsarn (cognate)

← Old Irish īärn (cognate)

← Swedish järn (cognate)