Where does “åttioen” come from?

åttioen (Swedish) comes from Swedish en, from Old Swedish ēn, from Old Norse einn, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

åttioen (Swedish): eighty-one

Definitions

eighty-one

Ancestry of “åttioen”, step by step

åttioen traces back through two separate lines of ancestry.

via Swedish en

Step	Language	Word	Meaning
1	Swedish	en	one; "object form of" man; one; "the indefinite...
2	Old Swedish	ēn	one
3	Old Norse	einn	one; some, a few
4	Proto-Germanic	ainaz	one; some
5	Proto-Indo-European	óynos	one; single

via Swedish åttio

Step	Language	Word	Meaning
1	Swedish	åttio	eighty
2	Old Swedish	attatighi	eighty

Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Old Norse einn →