Where does “i forfjor” come from?

i forfjor (Danish) comes from Danish fjor, from Old Norse fjǫrð, from Old Norse fjǫrðr, from Proto-Norse ᚠᛖᚱᚦᚢᛉ, from Proto-Germanic ferþuz, from Proto-Indo-European pértus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

i forfjor (Danish): the year before last year

Definitions

  1. the year before last year

Ancestry of “i forfjor”, step by step

i forfjor traces back through two separate lines of ancestry.

via Danish fjor

StepLanguageWordMeaning
1Danishfjor"only used in the adverbial phrase" i fjor –...
2Old Norsefjǫrðlast year, the past year; accusative singular of...
3Old Norsefjǫrðrfirth, fjord
4Proto-Norseᚠᛖᚱᚦᚢᛉ
5Proto-Germanicferþuzinlet, fjord
6Proto-Indo-Europeanpértuscrossing
7Proto-Indo-European-tusDerives action nouns from verb roots

via Danish I

StepLanguageWordMeaning
1DanishIyou, you all
2Old Norseíin
3Proto-Germanicinin; into
4Proto-Indo-Europeanénin
Every word from Proto-Indo-European -tusEvery word from Proto-Indo-European pértusEvery word from Proto-Germanic ferþuz