蒼そう古こ

taru-adjective, adverb taking the 'to' particle

old-fashioned and tasteful; antique elegance

Literary taru-adjective describing something aged and refined, often used for objects, scenery, or artistic works with a venerable, tasteful patina. Rare in modern conversation.

• その茶ちゃ碗わんは蒼そう古ことした趣おもむきがある。

  That tea bowl has an antique and tasteful charm.

• 庭てい園えんの石いし灯どう籠ろうが蒼そう古ことして佇たたずんでいる。

  The stone lantern in the garden stands with an air of aged elegance.