This is the 8116th most frequent Japanese word.
寺門
"寺門" means "temple gate" in English.
In this example, "寺門" (Teramon) is used as a proper noun, likely a surname.
寺門家はこの地域で長く伝統を守ってきました。
The Teramon family has preserved tradition in this region for a long time.
Here, "寺門" (teramon) directly refers to the entrance or gate (門) of a temple (寺).
この寺門はとても美しい彫刻で飾られています。
This temple gate is adorned with very beautiful carvings.
"寺門" again refers to the physical gate (門) of the temple (寺), indicating location.