Siebenbürgen (German) comes from German Sieben, from Middle High German siben, from Old High German sibun, from Proto-West Germanic *sibun, from Proto-Germanic sebun, from Proto-Germanic sebunt, from Proto-Indo-European septḿ̥ — seven.
Siebenbürgen (German): Transylvania
Definitions
Transylvania
Ancestry of “Siebenbürgen”, step by step
Siebenbürgen traces back through two separate lines of ancestry.