Where does “para-raios” come from?

para-raios (Portuguese) comes from Portuguese parar, from Old Portuguese parar, 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...

para-raios (Portuguese): lightning rod metallic conductor that protects buildings from lightning

Definitions

  1. lightning rod metallic conductor that protects buildings from lightning

Ancestry of “para-raios”, step by step

para-raios traces back through two separate lines of ancestry.

via Portuguese parar

StepLanguageWordMeaning
1Portuguesepararto stop; to stop; to cease; to stop at
2Old Portugueseparar—
3Latinparōto arrange, order, contrive, design
4Latinpectuschest, breast; heart, breast, as the seat of...
5Proto-Italicpektos—
6Proto-Indo-Europeanpeg-breast
7Englishpolyethylene glycolAny of a series of water-soluble polymers, of...

via Portuguese Raio

StepLanguageWordMeaning
1PortugueseRaioray
Every word from English polyethylene glycol →Every word from Proto-Indo-European peg- →Every word from Proto-Italic pektos →