This is the 17314th most frequent Polish word.
zamocowano
"Zamocowano" - "was fastened" or "was mounted."
Here, "zamocowano" is used to describe that shelves were securely fixed or attached to the wall as their support.
Przy ścianie zamocowano półki.
Shelves were mounted next to the wall.
In this sentence, "zamocowano" indicates that an object, the lamp, was securely attached or installed to a specific location (under the ceiling).
Pod stropem zamocowano lampę.
A lamp was mounted under the ceiling.
In this example, "zamocowano" describes the action of securely installing a richly decorated chandelier in the living room.