Where does “Stirnseite” come from?

Stirnseite (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.

Stirnseite (German): front; gable end

Definitions

  1. front; gable end

Ancestry of “Stirnseite”, step by step

Stirnseite 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 Stirn

StepLanguageWordMeaning
1GermanStirnforehead; frons
2Middle High Germanstirne
3Old High Germanstirnaforehead
4Proto-West Germanicstirnijuforehead
Every word from Proto-Indo-European yeh₁r-Every word from German -igEvery word from Proto-Germanic jērą