English
rustwort
From rust + wort.
Proto-Indo-European *h₁rewdʰ- ‘red’
…
Proto-Germanic *rustaz
Proto-West Germanic *rust
Old English rust
Middle English rust
English rust
Proto-Indo-European *wréh₂ds ‘a root’
Proto-Germanic *wrōts ‘a root’
Proto-West Germanic *wurti ‘a root’
Old English wyrt ‘a plant’
Middle English wort ‘any herb or plant’
English wort
Today it means
noun A liverwort of the genus Marsupella.
Language periods are conventional ranges, not dates for this word.
Etymograph / rustwort