This is the 298th most frequent Greek word.
εμάς
"Us"
In this sentence, 'εμάς' is used as an indirect object indicating to whom the books were given.
Η δασκάλα έδωσε τα βιβλία σε εμάς.
The teacher gave the books to us.
Here, 'εμάς' functions as the object of the preposition 'για' indicating the recipients of the gift.
Αυτό το δώρο είναι για εμάς.
This gift is for us.
In this example, 'εμάς' emphasizes the people being asked, functioning as a focused direct object.