Where does “roborate” come from?

roborate (English) comes from Latin rōborāre, from Latin rōbur, from Latin ruber, from Proto-Italic ruðros, from Proto-Indo-European h₁rudʰrós, from Proto-Indo-European h₁rewdʰ- — red.

roborate (English): to strengthen, fortify

Definitions

  1. to strengthen, fortify

Ancestry of “roborate”, step by step

StepLanguageWordMeaning
1Latinrōborāre
2Latinrōburan oak tree
3Latinruberred approximately like red ochre (which had a traditional status among the Romans); red that was both common and dignified, somewhat associated with pigment
4Proto-Italicruðrosred
5Proto-Indo-Europeanh₁rudʰrósred
6Proto-Indo-Europeanh₁rewdʰ-red
Every word from Proto-Indo-European h₁rewdʰ-Every word from Proto-Indo-European h₁rudʰrósEvery word from Proto-Italic ruðros