Where does “hundraårsdag” come from?

hundraårsdag (Swedish) comes from Swedish hundra, from Old Swedish hundraþ, from Old Norse hundrað, from Proto-Germanic hundaradą, from Proto-Germanic hundą, from Proto-Indo-European ḱm̥tóm, from Proto-Indo-European déḱm̥ — ten.

hundraårsdag (Swedish): a centennial, a centenary

Definitions

  1. a centennial, a centenary

Ancestry of “hundraårsdag”, step by step

hundraårsdag traces back through two separate lines of ancestry.

via Swedish hundra

StepLanguageWordMeaning
1Swedishhundrahundred; 100 in arabic numerals; sure, certain
2Old Swedishhundraþhundred
3Old Norsehundraða long hundred
4Proto-Germanichundaradąa great hundred; a hundred
5Proto-Germanichundąa great hundred; a hundred
6Proto-Indo-Europeanḱm̥tómhundred
7Proto-Indo-Europeandéḱm̥ten

via Swedish årsdag

StepLanguageWordMeaning
1Swedishårsdagan anniversary
Every word from Proto-Indo-European déḱm̥Every word from Proto-Indo-European ḱm̥tómEvery word from Proto-Germanic hundą