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OE bula ON boli < Gmc bulln (Du. bul) ← IE bhel- to swell (L follis🔗🔉

OE bula ON boli < Gmc bulln (Du. bul) ← IE bhel- to swell (L follis a pair of bellows / Gk phalls 'PHALLUS'): cf. bowl bull /b/

研究社新英和大辞典 ページ 176300 でのDu. bul単語。