Where does “Πομερανία” come from?

Πομερανία (Greek) comes from English Pomerania, from German Pommern, from Proto-Slavic *pomorьjaninъ, from Proto-Slavic *pomorьje — seaboard, coastal area.

Ancestry of “Πομερανία”, step by step

StepLanguageWordMeaning
1EnglishPomerania
2GermanPommern
3Proto-Slavic*pomorьjaninъ
4Proto-Slavic*pomorьjeseaboard, coastal area
Every word from Proto-Slavic *pomorьjeEvery word from Proto-Slavic *pomorьjaninъEvery word from German Pommern