Where does “Seitensprung” come from?

Seitensprung (German) comes from German Seite, from German -ig, from German -jährig, from German Jahr, from Middle High German jār, from Old High German jār, from Proto-West Germanic jār, from Proto-Germanic jērą — year.

Seitensprung (German): affair, infidelity: temporary, often sexual...

Definitions

  1. affair, infidelity: temporary, often sexual...

Ancestry of “Seitensprung”, step by step

Seitensprung traces back through two separate lines of ancestry.

via German Seite

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

via German sprung

StepLanguageWordMeaning
1Germansprungjump, leap
2Middle High Germansprung
3Old High Germansprungjump
4Proto-Germanicspringanąto spring, to jump up; to burst, to explode
5Proto-Indo-Europeanspr̥ǵʰ
Every word from Proto-Indo-European yeh₁r-Every word from German -igEvery word from Proto-Germanic jērą
Seitensprung — Etymology, Origin & Word History | Etymology Explorer