What is the Greek word for me?

There isn't one single Greek word that translates perfectly to "me." The word used depends on the grammatical context. The most common equivalents would be:

* ἐμέ (eme): This is the accusative singular form of the first-person pronoun, used as the object of a verb. Think of it as the "me" in sentences like "He saw *me*."

* μοῦ (mou): This is the genitive singular form, indicating possession or origin. It would be used like the "me" in "That book belongs to *me*."

* ἐμοῦ (emou): This is another genitive singular form, slightly more formal than *mou*.

* ἐμοί (emoi): This is the dative singular form, indicating indirect object. Think of it as the "me" in "Give it to *me*."

Therefore, there's no single answer. The correct Greek word depends entirely on the sentence in which "me" is used.