Where does “gutweed” come from?

gutweed (English) comes from English gut, from Middle English gut, from Old English gutt, from Proto-Germanic gut-, from Proto-Indo-European ǵʰewd-, from Proto-Indo-European ǵʰew- — to pour.

gutweed (English): Ulva intestinalis, a seaweed; Sonchus arvensis, a...

Definitions

  1. Ulva intestinalis, a seaweed; Sonchus arvensis, a...

Ancestry of “gutweed”, step by step

gutweed traces back through two separate lines of ancestry.

via English gut

StepLanguageWordMeaning
1EnglishgutThe alimentary canal, especially the intestine;...
2Middle EnglishgutAlternative form of gutte
3Old Englishguttgut, entrail
4Proto-Germanicgut-
5Proto-Indo-Europeanǵʰewd-to pour
6Proto-Indo-Europeanǵʰew-to pour

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 ǵʰew-Every word from Proto-Indo-European ǵʰewd-Every word from Proto-Germanic gut-