Where does “poitrinaire” come from?

poitrinaire (English) comes from French poitrinaire, from French poitrine, from Old French poitrine, from Vulgar Latin pectorina, 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...

poitrinaire (English): Someone suffering from tuberculosis, or a similar...

Definitions

  1. Someone suffering from tuberculosis, or a similar...

Ancestry of “poitrinaire”, step by step

StepLanguageWordMeaning
1Frenchpoitrinaireconsumptive, tubercular, phthistic
2Frenchpoitrinechest; breast
3Old Frenchpoitrinechest
4Vulgar Latinpectorina
5Latinpectuschest, breast; heart, breast, as the seat of...
6Proto-Italicpektos
7Proto-Indo-Europeanpeg-breast
8Englishpolyethylene glycolAny of a series of water-soluble polymers, of...
Every word from English polyethylene glycolEvery word from Proto-Indo-European peg-Every word from Proto-Italic pektos