Where does “vituperāre” come from?

vituperāre (Latin) comes from Latin parāre, from Latin parō, from Latin pectus, from Proto-Italic pektos, from Proto-Indo-European peg-, from English polyethylene glycol — Any of a series of water-soluble polymers, of...

Ancestry of “vituperāre”, step by step

vituperāre traces back through two separate lines of ancestry.

via Latin parāre

Step	Language	Word	Meaning
1	Latin	parāre	—
2	Latin	parō	to arrange, order, contrive, design
3	Latin	pectus	chest, breast; heart, breast, as the seat of...
4	Proto-Italic	pektos	—
5	Proto-Indo-European	peg-	breast
6	English	polyethylene glycol	Any of a series of water-soluble polymers, of...

via Latin vitium

Step	Language	Word	Meaning
1	Latin	vitium	flaw, defect, blemish, error, fault; vice; crime
2	Proto-Indo-European	wi-tio-	—
3	Proto-Indo-European	wei	guilt, vice, fault

Words derived from “vituperāre”

vituperous
vituperously
vituperosus
vitupéreux

Every word from English polyethylene glycol →Every word from Proto-Indo-European peg- →Every word from Proto-Italic pektos →