Where does “*Alhaburg” come from?

*Alhaburg (Proto-Germanic) comes from Proto-Germanic burg.

Ancestry of “*Alhaburg”, step by step

*Alhaburg traces back through two separate lines of ancestry.

via Proto-Germanic burg

StepLanguageWordMeaning
1Proto-Germanicburg

via Proto-Germanic *alh

StepLanguageWordMeaning
1Proto-Germanic*alh
Every word from Proto-Germanic burg