Where does “doppelwandig” come from?

doppelwandig (German) comes 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, from Proto-Indo-European yeh₁r- — year.

doppelwandig (German): double-walled

Definitions

  1. double-walled

Ancestry of “doppelwandig”, step by step

StepLanguageWordMeaning
1German-ig-y; forms adjectives from nouns; forms adjectives...
2German-jährigyears old; years lasting
3GermanJahryear
4Middle High Germanjāryear
5Old High Germanjāryear
6Proto-West Germanicjāryear
7Proto-Germanicjērąyear; name of the J-rune
8Proto-Indo-Europeanyeh₁r-year
Every word from Proto-Indo-European yeh₁r- →Every word from German -ig →Every word from Proto-Germanic jērą →
doppelwandig — Etymology, Origin & Word History | Etymology Explorer