《a1425》 (O)F 〜 L inexpugnbilis ← IN-^１＋expugnbilis that may be captured (← expugn🔗⭐🔉

《a1425》 (O)F 〜 L inexpugnbilis ← IN-^１＋expugnbilis that may be captured (← expugnre to storm ← EX-^１＋pugnre to fight) in・ex・pung・i・ble /nkspndb, -ks- ｜ -d-/

研究社新英和大辞典 ページ 197967 での【O】単語。