Where does “Sigurðarson” come from?

Sigurðarson (Icelandic) comes from Icelandic Sigurður, from Old Norse Sigurðr, from Old Norse sigr, from Proto-Germanic segaz, from Proto-Indo-European séǵʰos, from Proto-Indo-European seǵʰ- — to hold; to overpower.

Ancestry of “Sigurðarson”, step by step

StepLanguageWordMeaning
1IcelandicSigurður—
2Old NorseSigurðr—
3Old Norsesigrvictory
4Proto-Germanicsegazvictory, triumph
5Proto-Indo-Europeanséǵʰospower, strength
6Proto-Indo-Europeanseǵʰ-to hold; to overpower
Every word from Proto-Indo-European seǵʰ- →Every word from Proto-Indo-European séǵʰos →Every word from Proto-Germanic segaz →