Where does “Albania” come from?

Albania derives from Ancient Greek Ἀλβανία, formed with the suffix Ancient Greek -ῐ́ᾱ.

Ancestry of “Albania”, step by step

Step	Language	Word	Meaning
1	Medieval Latin	Albania	Scotland
2	Ancient Greek	Ἀλβανία	—
3	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
4	Proto-Indo-European	-íh₂	—
5	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

Albania — Etymology, Origin & Word History | Etymology Explorer