古こ址し

noun

historic ruins; archaeological site

Formal or literary term for the remains of an ancient structure or settlement. Often used in historical or archaeological contexts.

• この古こ址しからは多おおくの土ど器きが出しゅつ土どした。

  Many earthenware pieces were excavated from these historic ruins.

noun

foundations of an ancient building

Specifically refers to the base or structural remnants of an old building, rather than the broader site. Also formal/literary.

• 寺じ院いんの古こ趾しが発はっ掘くつされ、当とう時じの建けん築ちく様よう式しきが明あきらかになった。

  The foundations of the ancient temple were excavated, revealing the architectural style of that period.