Where does “Alfredsen” come from?

Alfredsen (Norwegian) comes from Norwegian Alfred, from English Alfred, from Middle English Alfred, from Old English Ælfræd, from Old English ræd, from Proto-Germanic *rād, from Proto-Germanic rēdaz, from Proto-Indo-European Hréh₁dʰos — to fit, to fix, to put together.

Ancestry of “Alfredsen”, step by step

StepLanguageWordMeaning
1NorwegianAlfred
2EnglishAlfredAlfred the Great, early king of England
3Middle EnglishAlfred
4Old EnglishÆlfræd
5Old Englishrædadvice; decision; plan
6Proto-Germanic*rād
7Proto-Germanicrēdazadvice, counsel
8Proto-Indo-EuropeanHréh₁dʰos
9Proto-Indo-EuropeanHreh₁dʰ-to think; to arrange; to succeed, accomplish
10Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
11Proto-Indo-Europeanh₂er-to fit, to fix, to put together
Every word from Proto-Indo-European h₂er-