Where does “robicula” come from?

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

Ancestry of “robicula”, step by step

Step	Language	Word	Meaning
1	Latin	rōbīgō	—
2	Latin	rōbus	—
3	Proto-Italic	rouβos	—
4	Proto-Indo-European	h₁rewdʰ-	red

robicula — Etymology, Origin & Word History | Etymology Explorer