吊るされていた

had been hung

→ 吊るす
phrase Rare #40,629
had been hung Describes something or someone that was hanging or suspended, often by someone else. The past progressive form emphasizes that it was in that state at the time.
JA: 古いランプが天井から吊るされていた。
EN: An old lamp had been hung from the ceiling.

図書館の壁に吊るされていたそうだ。

Apparently, it was hung on the library wall.

小屋のポーチには網がたくさん吊るされていた。

Lots of nets were hanging on the porch of the cabin.

シャヌーとマムタが木から吊るされていたことは知ってるね?

You know that Shanou and Mamta were hanged from a tree, right?

— Article 15 (2019)