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n.: OE unor < Gmc unaraz (Du. donder / G Donner / ON rr 'THOR') ← IE 🔗🔉

n.: OE unor < Gmc unaraz (Du. donder / G Donner / ON rr 'THOR') ← IE (s)ten- to stretch, resound (L tonre to thunder & tonitrus thunder / Skt tanyati it sounds). ― v.: OE unrian ← (n.): -d- は 13 C 半ばごろの添加 (cf. sound) thun・der・a・tion /ndrn/

研究社新英和大辞典 ページ 228777 でのn.: OE unor < Gmc unaraz ← IE単語。