This is the 373rd most frequent Greek word.
επιχείρηση
"Επιχείρηση" in English means "business" or "enterprise."
Here, 'επιχείρηση' refers to a commercial business entity or company.
Η επιχείρηση μου είναι οικογενειακή.
My business is family-run.
Here, 'επιχείρηση' is used to describe a mission or operation, particularly of an organized or official nature such as a rescue operation.
Η επιχείρηση διάσωσης κράτησε πολλές ώρες.
The rescue operation lasted many hours.
In this case, 'επιχείρηση' means an organized action or enterprise, often metaphorically representing a plan or endeavor.