湛たん然ぜん

noun which may take the genitive case particle 'no', taru-adjective, adverb taking the 'to' particle

still and full of water; quiet and unmoving

Rare literary word describing water that is deep, still, and brimming, or by extension a state of profound quiet and stillness. Used in classical or poetic contexts.

• 湖こ面めんは湛たん然ぜんとして、まるで鏡かがみのようだった。

  The lake surface was still and full, just like a mirror.

• 彼かれの心こころは湛たん然ぜんと静しずまり返かえっていた。

  His mind was quiet and unmoving.