OE seal owe(s), ought to, must ＜ Gmc skal-, skul- (G sollen) ＜ IE (s🔗⭐🔉

OE seal owe(s), ought to, must ＜ Gmc skal-, skul- (G sollen) ＜ IE (s)kel- to be under an obligation (L scelus guilt / Lith. skol debt) shal・lon /ln/

研究社新英和大辞典 ページ 221502 での【sG sollen】単語。