Where does “Hibera” come from?

Hibera (Latin) comes from Latin hiberus, from Latin Hibēr, from Ancient Greek Ἴβηρ — an Iberian; an inhabitant of the Iberian...

Hibera (Latin): nominative feminine singular of Hibērus;...

Definitions

Step	Language	Word	Meaning
1	Latin	hiberus	the River Iberus, the Ebro a river in
2	Latin	Hibēr	an Iberian
3	Ancient Greek	Ἴβηρ	an Iberian; an inhabitant of the Iberian...