Where does “twinleaf” come from?

twinleaf (English) comes from English leaf, from Old English Leofa, from Old English lēof, from West Germanic *leub, from Proto-Germanic leubaz, from Proto-Indo-European lewbʰ-, from Proto-Indo-European lēw- — to sound, resound, sing out; to leave.

twinleaf (English): jeffersonia, rheumatism root

Definitions

  1. jeffersonia, rheumatism root

Ancestry of “twinleaf”, step by step

twinleaf traces back through two separate lines of ancestry.

via English leaf

StepLanguageWordMeaning
1EnglishleafThe usually green and flat organ that represents...
2Old EnglishLeofa
3Old Englishlēoflief, dear
4West Germanic*leub
5Proto-Germanicleubazdear, beloved
6Proto-Indo-Europeanlewbʰ-to desire, covet, want; to admire, praise; to...
7Proto-Indo-Europeanlēw-to sound, resound, sing out; to leave

via English twin

StepLanguageWordMeaning
1EnglishtwinEither of two people who shared the same uterus...
2Middle Englishtwin
3Old Englishtwīndouble thread, twist, twine, linen-thread, linen
4Proto-West Germanictwiʀntwine, double thread
5Proto-Germanictwiznazthread, twine
6Proto-Indo-Europeandwisnósdouble
7Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European lēw-