Where does “robiginans” come from?

robiginans (Latin) comes from Latin robigino, from Latin rōbīgō, from Latin rōbus, from Proto-Italic rouβos, from Proto-Indo-European h₁rewdʰ- — red.

Definitions

Ancestry of “robiginans”, step by step

StepLanguageWordMeaning
1LatinrobiginoI rust
2Latinrōbīgōrust
3Latinrōbusred
4Proto-Italicrouβos—
5Proto-Indo-Europeanh₁rewdʰ-red
Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Italic rouβos →Every word from Latin rōbus →