What is the translation for mo Irish Gaelic?

There isn't a single, direct English translation for "mo" in Irish Gaelic. It's a possessive pronoun, and its meaning depends on the noun it precedes. It means "my" but its form changes depending on the grammatical gender and number of the following noun. For example:

* Mo chroí: My heart (masculine singular)

* Mo lá: My day (masculine singular)

* Mo theanga: My tongue (feminine singular)

* Mo shúile: My eyes (feminine plural)

* Mo leabhair: My books (feminine plural)

So, you need to provide the noun following "mo" to get a complete and accurate translation.