Where does “thimbleweed” come from?

thimbleweed (English) comes from English thimble, from Middle English thymbyll, from Old English þȳmel, from Old English þūma, from Proto-West Germanic þūmō, from Proto-Germanic þūmô, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

thimbleweed (English): Any of various plants whose heads resemble...

Definitions

  1. Any of various plants whose heads resemble...

Ancestry of “thimbleweed”, step by step

thimbleweed traces back through two separate lines of ancestry.

via English thimble

StepLanguageWordMeaning
1EnglishthimbleA pitted, now usually metal, cap for the fingers,...
2Middle Englishthymbyllthimble
3Old Englishþȳmelthumbstall; fingerstall; thimble
4Old Englishþūmathumb
5Proto-West Germanicþūmōthumb
6Proto-Germanicþūmôthumb
7Proto-Indo-Europeantūm-to grow; to swell, to increase; to swell, be...
8Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

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 tewh₂-
thimbleweed — Etymology, Origin & Word History | Etymology Explorer