Where does “riverista” come from?

riverista (Spanish) comes from Spanish Rivera, from Vulgar Latin *rīvāria, from Latin rīvus, from Proto-Italic rīwos, from Proto-Indo-European h₃riH-wó-s, from Proto-Indo-European h₃reyH-, from Proto-Indo-European h₃er- — to move, to stir; to rise, to spring; to quarrel,...

riverista (Spanish): of or supporting Fructuoso Rivera

Definitions

of or supporting Fructuoso Rivera

Ancestry of “riverista”, step by step

Step	Language	Word	Meaning
1	Spanish	Rivera	stream
2	Vulgar Latin	*rīvāria	—
3	Latin	rīvus	a small stream; brook, stream, rivulet
4	Proto-Italic	rīwos	—
5	Proto-Indo-European	h₃riH-wó-s	—
6	Proto-Indo-European	h₃reyH-	to move, set in motion
7	Proto-Indo-European	h₃er-	to move, to stir; to rise, to spring; to quarrel,...

Every word from Proto-Indo-European h₃er- →Every word from Proto-Indo-European h₃reyH- →Every word from Proto-Indo-European h₃riH-wó-s →