Where does “fyrtiofem” come from?

fyrtiofem (Swedish) comes from Swedish fem, from Old Norse fimm, from Proto-Germanic fimf, from Proto-Indo-European pénkʷe — five.

fyrtiofem (Swedish): forty-five

Definitions

  1. forty-five

Ancestry of “fyrtiofem”, step by step

fyrtiofem traces back through two separate lines of ancestry.

via Swedish fem

StepLanguageWordMeaning
1Swedishfemfive
2Old Norsefimmfive
3Proto-Germanicfimffive
4Proto-Indo-Europeanpénkʷefive

via Swedish fyrtio

StepLanguageWordMeaning
1Swedishfyrtioforty; 40 in Arabic numerals
2Old Norsefjórutigiforty
3Proto-Germanicfedwōr tigiwizforty
Every word from Proto-Indo-European pénkʷe →Every word from Proto-Germanic fimf →Every word from Old Norse fimm →