古こ色しょく蒼そう然ぜん

taru-adjective, adverb taking the 'to' particle

antique-looking; hoary with patina

Describes an object or scene that looks genuinely old and weathered, with a dignified patina of age. Often used in literary or descriptive contexts.

• その寺じ院いんは古こ色しょく蒼そう然ぜんとしたたたずまいだった。

  The temple had an antique-looking, time-worn appearance.