Where does “gensidighed” come from?

gensidighed (Danish) comes from Danish gensidig, from German gegenseitig, from German Gegenseite, from German Seite, from German -ig, from German -jährig, from German Jahr, from Middle High German jār — year.

gensidighed (Danish): reciprocity

Definitions

  1. reciprocity

Ancestry of “gensidighed”, step by step

gensidighed traces back through two separate lines of ancestry.

via Danish gensidig

StepLanguageWordMeaning
1Danishgensidigmutual, reciprocal
2Germangegenseitigmutual, reciprocal; opposite
3GermanGegenseiteopposite side
4GermanSeiteside; face, side, surface of any...
5German-ig-y; forms adjectives from nouns; forms adjectives...
6German-jährigyears old; years lasting
7GermanJahryear
8Middle High Germanjāryear
9Old High Germanjāryear
10Proto-West Germanicjāryear
11Proto-Germanicjērąyear; name of the J-rune
12Proto-Indo-Europeanyeh₁r-year

via Danish hed

StepLanguageWordMeaning
1Danishhedimperative of hedde; past tense of hedde
2Old Danishhet
3Old Norseheitrhot
4Proto-Germanichaitazhot
5Proto-Indo-European*keHy-to heat
Every word from Proto-Indo-European yeh₁r-