Where does “Emilia-Romania” come from?

Emilia-Romania (Polish) comes from Italian Emilia-Romagna, from Italian Romagna, from Latin Romania, from Ancient Greek Ῥωμανία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “Emilia-Romania”, step by step

StepLanguageWordMeaning
1ItalianEmilia-Romagna
2ItalianRomagnathat formed part of modern Emilia-Romagna
3LatinRomaniaRoman Empire
4Ancient GreekῬωμανίαByzantine Empire
5Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
6Proto-Indo-European-íh₂
7Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European -h₂