Where does “femtiofem” come from?

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

femtiofem (Swedish): fifty-five

Definitions

  1. fifty-five

Ancestry of “femtiofem”, step by step

femtiofem traces back through two separate lines of ancestry.

via Swedish fem

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

via Swedish femtio

StepLanguageWordMeaning
1Swedishfemtiofifty; the number 50
2Old Swedishfæmtighififty
Every word from Proto-Indo-European pénkʷe →Every word from Proto-Germanic fimf →Every word from Old Norse fimm →