Where does “Macadóinis” come from?

Macadóinis (Irish) comes from Irish Macadóin, from Latin Macedonia, from Ancient Greek μακεδονία, from Ancient Greek μακεδνός, from Ancient Greek μακρός, from Proto-Italic makros, from Proto-Indo-European mh₂ḱrós, from Proto-Indo-European meh₂ḱ- — to raise, increase; long.

Macadóinis (Irish): the Macedonian language