Where does “feverweed” come from?

feverweed (English) comes from English fever, from Middle English fever, from Old English fefer, from Latin febris, from Proto-Italic *feɣʷris, from Proto-Indo-European dʰegʷʰris, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

feverweed (English): The plant Eupatorium purpureum

Definitions

  1. The plant Eupatorium purpureum

Ancestry of “feverweed”, step by step

feverweed traces back through two separate lines of ancestry.

via English fever

StepLanguageWordMeaning
1EnglishfeverA higher than normal body temperature of a person...
2Middle Englishfever
3Old Englishfefer
4Latinfebrisfever
5Proto-Italic*feɣʷrisfever
6Proto-Indo-Europeandʰegʷʰris
7Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot

via English weed

StepLanguageWordMeaning
1EnglishweedAny plant regarded as unwanted at the place...
2Middle Englishweed
3Old Englishwēodweed
4Proto-West Germanic*weudweed (unwanted plant)
Every word from Proto-Indo-European dʰegʷʰ-Every word from Proto-Indo-European dʰegʷʰrisEvery word from Proto-Italic *feɣʷris
feverweed — Etymology, Origin & Word History | Etymology Explorer