n.: OE eornost ardor in battle, zeal ＜ Gmc arn(ja)ost (G Ernst earnest) ← ? IE er-🔗⭐🔉

n.: OE eornost ardor in battle, zeal ＜ Gmc arn(ja)ost (G Ernst earnest) ← ? IE er- to set in motion. ― adj.: OE eornest(e) ← (n.) ear・nest^２ /nst ｜ -/

研究社新英和大辞典 ページ 186373 での【jaG Ernst earnest】単語。