愛あい刀とうMeanings1nounfavorite sword; cherished swordRefers to a sword one is particularly fond of, often used in historical or martial arts contexts.彼かれは愛あい刀とうを手て入いれしながら、戦たたかいの日ひ々びを思おもい出だしていた。He recalled the days of battle while caring for his cherished sword.