Where does “pondweed” come from?

pondweed (English) comes from English pond, from Middle English pond, from Old English pond, from Old English pund, from Proto-Germanic *pund, from Proto-Germanic pundą, from Latin pondus, from Proto-Italic pondos — to stretch.

pondweed (English): Any of several plants that grow in ponds or...

Definitions

  1. Any of several plants that grow in ponds or...

Ancestry of “pondweed”, step by step

pondweed traces back through two separate lines of ancestry.

via English pond

StepLanguageWordMeaning
1EnglishpondAn inland body of standing water, either natural...
2Middle Englishpond
3Old Englishpond
4Old Englishpundpound
5Proto-Germanic*pund
6Proto-Germanicpundąpound
7Latinpondusweight; weight of a pound; heaviness, weight of a...
8Proto-Italicpondos
9Proto-Indo-European(s)pénd-os
10Proto-Indo-European(s)pend-to stretch

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 (s)pend-Every word from Proto-Indo-European (s)pénd-osEvery word from Proto-Italic pondos
pondweed — Etymology, Origin & Word History | Etymology Explorer