Where does “Schallgeschwindigkeit” come from?

Schallgeschwindigkeit (German) comes from German Geschwindigkeit, 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.

Schallgeschwindigkeit (German): speed of sound

Definitions

  1. speed of sound

Ancestry of “Schallgeschwindigkeit”, step by step

Schallgeschwindigkeit traces back through two separate lines of ancestry.

via German Geschwindigkeit

StepLanguageWordMeaning
1GermanGeschwindigkeitspeed, pace, tempo, velocity, rate
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 Schall

StepLanguageWordMeaning
1GermanSchallsound
2Middle High Germanschaltasteless, turbid
3Old High Germanscal
4Proto-West Germanicskellanto sound, clatter, ring
5Proto-Germanicskellanąto sound, clatter, ring
6Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot
Every word from Proto-Indo-European yeh₁r-Every word from German -igEvery word from Proto-Germanic jērą