also: ふるでら
noun
old temple; ancient temple
Refers to a temple that is old, often with historical or cultural significance. Both readings are used, with こじ being slightly more formal/literary and ふるでら more colloquial.
京都には古寺がたくさんあります。
There are many old temples in Kyoto.
この古寺は鎌倉時代に建てられました。
This old temple was built in the Kamakura period.
Compound of 古 (old) and 寺 (temple). The reading こじ uses the on-yomi of both characters, while ふるでら uses the kun-yomi.