Where does “sjuttiotre” come from?

sjuttiotre (Swedish) comes from Swedish sjuttio, from Old Norse sjautigi, from Old Norse sjau, from Dutch drie, from Middle Dutch drie, from Old Dutch thrīe, from Proto-West Germanic þrīʀ, from Proto-Germanic þrīz.

sjuttiotre (Swedish): seventy-three

Definitions

seventy-three

Ancestry of “sjuttiotre”, step by step

sjuttiotre traces back through two separate lines of ancestry.

via Swedish sjuttio

Step	Language	Word	Meaning
1	Swedish	sjuttio	seventy
2	Old Norse	sjautigi	seventy
3	Old Norse	sjau	seven
4	Dutch	drie	three
5	Middle Dutch	drie	three
6	Old Dutch	thrīe	—
7	Proto-West Germanic	þrīʀ	three
8	Proto-Germanic	þrīz	three
9	Proto-Indo-European	*tréyes	—

via Swedish tre

Step	Language	Word	Meaning
1	Swedish	tre	three
2	Old Swedish	þrir	three
3	Old Norse	þrír	three
4	Proto-Norse	ᚦᚱᛁᛃᛟᛉ	three

Every word from Proto-Indo-European *tréyes →Every word from Proto-Germanic þrīz →Every word from Proto-West Germanic þrīʀ →