突き出ていた

was jutting out

→ 突き出る
phrase Rare #41,833
was jutting out Describes something extending outward or protruding from a surface, shore, or body of water. The ていた form indicates an ongoing state in the past.
JA: 木の枝が窓の外に突き出ていた。
EN: A tree branch was jutting out outside the window.

大きな岩一つ海面から突き出ていた

A large rock jutted out of the surface of the sea.

から川に突き出ていた

A rock jutted out from the bank into the river.

大きな岩から川に突き出ていた

A large rock jutted out from the bank into the river.