Where does “Lauridsen” come from?

Lauridsen (Danish) comes from Danish sen, from Old Norse seinn, from Proto-Germanic sainaz.

Ancestry of “Lauridsen”, step by step

Lauridsen traces back through two separate lines of ancestry.

via Danish sen

StepLanguageWordMeaning
1Danishsenlate; belated, tardy; slow
2Old Norseseinnlate
3Proto-Germanicsainaz

via Danish Laurids

StepLanguageWordMeaning
1DanishLaurids
Every word from Proto-Germanic sainazEvery word from Old Norse seinnEvery word from Danish sen