Where does “Lichtspektrum” come from?

Lichtspektrum (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.

Lichtspektrum (German): light spectrum

Definitions

  1. light spectrum

Ancestry of “Lichtspektrum”, step by step

Lichtspektrum 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 Spektrum

StepLanguageWordMeaning
1GermanSpektrumspectrum
2EnglishSpectrumA range; a continuous, infinite, one-dimensional set, possibly bounded by extremes
3Latinspectrumappearance, image; apparition, specter
4Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
5Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
6Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
7Proto-Hellenicsképťomaito look at
8Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
9Proto-Indo-Europeanspeḱ-to see, to look, to observe
Every word from Proto-Indo-European térmn̥Every word from Proto-Italic termenosEvery word from Proto-Indo-European ter-