Where does “Rotglut” come from?

Rotglut (German) comes from German rōt, from Middle High German rōt, from Old High German rōt, from Proto-West Germanic raud, from Proto-Germanic raudaz, from Proto-Indo-European h₁rowdʰós, from Proto-Indo-European h₁rewdʰ- — red.

Rotglut (German): red heat

Definitions

  1. red heat

Ancestry of “Rotglut”, step by step

Rotglut traces back through two separate lines of ancestry.

via German rōt

StepLanguageWordMeaning
1Germanrōt—
2Middle High Germanrōtred, red-haired
3Old High Germanrōtred, scarlet, purple-red, brown-red, yellow-red
4Proto-West Germanicraudred
5Proto-Germanicraudazred
6Proto-Indo-Europeanh₁rowdʰósred thing
7Proto-Indo-Europeanh₁rewdʰ-red

via German glut

StepLanguageWordMeaning
1Germanglutgreat heat from (or as if from) something that glows
2Middle High Germangluot—
3Old High Germangluot—
4Proto-West Germanicglōdiglow; ember
5Proto-Germanicglōdizglow; heat
6Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Indo-European h₁rowdʰós →Every word from Proto-Germanic raudaz →