OE (e)recenian to explain ＜Gmc (a)rekenjan (Du. rekenen / G rechnen🔗⭐🔉

OE (e)recenian to explain ＜Gmc (a)rekenjan (Du. rekenen / G rechnen) ← rekenaz (OE recen ready) ← IE reg- to direct (L regere to rule): cf. reck reck・on・er /rk()n ｜ -kn^（ｒ/

研究社新英和大辞典 ページ 216681 での【ea】単語。