歓かん然ぜん

adverb taking the 'to' particle, taru-adjective

delighted; overjoyed

Archaic literary word describing a state of great delight or joy. Used with と or in たる form, often in classical or highly formal contexts.

• 彼かれは吉きっ報ぽうを聞きいて歓かん然ぜんとした面おも持もちで部屋へやを出でた。

  He left the room with a delighted expression upon hearing the good news.