This is the 594th most frequent Greek word.
επιτροπής
"Επιτροπής" means "committee" or "commission" (genitive case).
Here, 'επιτροπής' again is in the genitive singular form, used to indicate that the chairman is part of or associated with the committee.
Ο πρόεδρος της επιτροπής έκανε μια ανακοίνωση.
The chairman of the committee made an announcement.
Once more, 'επιτροπής' appears in the genitive singular to describe the meetings as being related to or held by the committee.
Οι συνεδριάσεις της επιτροπής θα συνεχιστούν την επόμενη εβδομάδα.
The committee's meetings will continue next week.
In this sentence, 'επιτροπής' is the genitive singular form of 'επιτροπή', meaning 'committee'. It is used possessively to indicate the report belonging to the committee.