Where does “Bertram” come from?

Bertram derives from Old High German Berahtram, composed of Proto-Germanic hrabnaz (raven) and an element from Proto-Indo-European ḱer- and bʰereg-, ultimately from bʰer- (to carry or bear).

Ancestry of “Bertram”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	berhtaz	bright, shining
2	Proto-Germanic	hrabnaz	raven
3	Proto-Indo-European	ḱorh₂-	—
4	Proto-Indo-European	ḱer-	to grow, to make grow, to nourish; to plait,...
5	Proto-Indo-European	kr̥-	to turn, to bend
6	Proto-Indo-European	ker-	army

Every word from Proto-Indo-European ker- →

Bertram — Etymology, Origin & Word History | Etymology Explorer