OE ierd, yrd rod, staff ＜ Gmc azj (G Gerte rod) ← Gmc az🔗⭐🔉

OE ierd, yrd rod, staff ＜ Gmc azj (G Gerte rod) ← Gmc azaz ← IE ghazto- rod: cf. gad^２ yard^２ /jd ｜ jd/→

研究社新英和大辞典 ページ 235588 での【G Gerte rod】単語。