Where does “바이에른” come from?

바이에른 (Korean) comes from German Bayern, from Middle High German Baiern, from Old High German Beiara.

Ancestry of “바이에른”, step by step

StepLanguageWordMeaning
1GermanBayerninflection of Bayer: ##...
2Middle High GermanBaiern—
3Old High GermanBeiara—
Every word from Old High German Beiara →Every word from Middle High German Baiern →Every word from German Bayern →