Where does “Luftfeuchtigkeit” come from?

Luftfeuchtigkeit (German) comes from German Feuchtigkeit, from German -igkeit, from German -ig, from German -jährig, from German Jahr, from Middle High German jār, from Old High German jār, from Proto-West Germanic jār — year.

Luftfeuchtigkeit (German): humidity

Definitions

  1. humidity

Ancestry of “Luftfeuchtigkeit”, step by step

Luftfeuchtigkeit traces back through two separate lines of ancestry.

via German Feuchtigkeit

StepLanguageWordMeaning
1GermanFeuchtigkeitmoisture, humidity, wetness
2German-igkeitforms nouns from adjectives
3German-ig-y; forms adjectives from nouns; forms adjectives...
4German-jährigyears old; years lasting
5GermanJahryear
6Middle High Germanjāryear
7Old High Germanjāryear
8Proto-West Germanicjāryear
9Proto-Germanicjērąyear; name of the J-rune
10Proto-Indo-Europeanyeh₁r-year

via German luft

StepLanguageWordMeaning
1Germanluftair, atmosphere
2Middle High Germanluft
3Old High Germanluftair
4Proto-West Germaniclufturoof; air
5Proto-Germanicluftuzroof; roof of the earth, firmament; heavens, sky;...
6Proto-Indo-Europeanlewp-peel, break off; to flake off, peel, damage; to...
7Proto-Indo-Europeanlew-dirt, mud; to cut, remove, prune, separate; to...
Every word from Proto-Indo-European yeh₁r-Every word from German -igEvery word from Proto-Germanic jērą