This is the 795th most frequent Greek word.
κατοχή
Possession, occupation, or ownership.
Here, 'κατοχή' denotes 'possession', referring to holding or ownership of something.
Η κατοχή του βιβλίου ανήκει στον αδερφό μου.
The possession of the book belongs to my brother.
In this sentence, 'κατοχή' refers to 'occupation', typically of a country or territory by foreign powers.
Η περίοδος της κατοχής ήταν δύσκολη για τον λαό.
The occupation period was difficult for the people.
Lastly, 'κατοχή' here again means 'possession' but in the abstract sense, referring to acquiring or having skills or qualifications.