Proto-Germanic: *aiza-n; *ī́sarna-, *īzarna-; *aizuga-z
Meaning: ore, copper, iron
Gothic: aiz n. `money metal'; *īsarn n. (a) `iron'
Old Norse: eir n. `Erz, Kupfer'; ēarn, īarn (älter), jārn n. (2)
Norwegian: eir (1); 3) jarn (2); eir, erj (4)
Old Swedish: ēr (1)
Swedish: järn (2); ärg (3)
Old Danish: eer (1)
Danish: jern (2); ir, irr (4)
Old English: äs, -äris n. `Brass'; ǟr,-es n. `brass', ār, -es n. `ore, brass, copper' `Erz'; īsern,-es n. `iron, an instrument or weapon made of iron'; īsen, -es n. `iron, steel, an implement made of iron'; īren, -es n. `iron, an iron weapon, a sword, blade'
English: ore, iron
Old Frisian: īsern, īrsen (2)
Old Saxon: ēr (1); īsarn, īsan (2)
Middle Dutch: eer (1); īsen, īser (2)
Dutch: ijzer n.
Middle Low German: ēr(e) `Erz'; īsern, īsen (2)
Old High German: ēr (8. Jh.) `Erz'; īsarn, īsan (8. Jh.) (2)
Middle High German: ēr st. n. 'erz, eisen'; īsen st. n. 'eisen als metall; waffe, rüstung, pflugschar, hufeisen usw.'; īsern, īser st. n. 'eisen, bes. das verarbeitete eisen, eiserne waffe, rüstung'
Comments: 2, 3 - Lehnw. aus dem Keltischen (nicht Irl.)
