Where does “Андерсен” come from?

Андерсен (Russian) comes from Danish Andersen, from Danish Anders, from Danish sen, from Old Norse seinn, from Proto-Germanic sainaz.

Ancestry of “Андерсен”, step by step

StepLanguageWordMeaning
1DanishAndersen—
2DanishAnders—
3Danishsenlate; belated, tardy; slow
4Old Norseseinnlate
5Proto-Germanicsainaz—
Every word from Proto-Germanic sainaz →Every word from Old Norse seinn →Every word from Danish sen →
Андерсен — Etymology, Origin & Word History | Etymology Explorer