Where does “Lichtgeschwindigkeit” come from?

Lichtgeschwindigkeit (German) comes from German licht, from German Druck, from German drücken, from Middle High German drücken, from Old High German drucchen, from Proto-West Germanic þrukkijan, from Proto-Germanic þrukkijaną, from Proto-Indo-European ter- — boundary, end.

Lichtgeschwindigkeit (German): speed of light

Definitions

  1. speed of light

Ancestry of “Lichtgeschwindigkeit”, step by step

Lichtgeschwindigkeit traces back through two separate lines of ancestry.

via German licht

StepLanguageWordMeaning
1Germanlichtlight, bright; unobstructed, clear
2GermanDruckpressure; print
3Germandrückento press; to push; to squeeze; to hug; to shirk;...
4Middle High Germandrücken
5Old High Germandrucchento press
6Proto-West Germanicþrukkijanto press
7Proto-Germanicþrukkijanąto press on; to crowd
8Proto-Indo-Europeanter-tender, weak; young creature
9Italiantermineend, close; limit, term, date, time; term, word
10Latinterminusa boundary, limit, end
11Proto-Italictermenos
12Proto-Indo-Europeantérmn̥boundary, end

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
Every word from Proto-Indo-European térmn̥Every word from Proto-Italic termenosEvery word from Proto-Indo-European ter-