This is the 48th most frequent Greek word.
έχουμε
"Έχουμε" means "we have" in English.
The word "έχουμε" is used here as the first person plural form of the verb "έχω" in the present tense, meaning "we have." This indicates possession of the book.
Έχουμε ένα νέο βιβλίο.
We have a new book.
In this sentence, "έχουμε" conveys the sense of having time available, implying possession of an abstract concept (time).
Έχουμε πολύ χρόνο να προετοιμαστούμε.
We have plenty of time to prepare.
Here "έχουμε" refers to a state of having a right or entitlement, presenting a specific legal or personal capability.