Where does “Mercurial” come from?

Mercurial (English) comes from Middle English mercurial, from Latin Mercurialis, from Latin Mercurius, from Latin merx, from Proto-Italic *merks.

Mercurial (English): Any of the plants known as mercury, especially the annual mercury or French mercury (Mercurialis annua)

Definitions

  1. Any of the plants known as mercury, especially the annual mercury or French mercury (Mercurialis annua)

Ancestry of “Mercurial”, step by step

StepLanguageWordMeaning
1Middle EnglishmercurialA plant belonging to the genus "Chenopodium"; a...
2LatinMercurialispertaining to the Roman god Mercury
3LatinMercuriusMercury; a Roman god associated with speed and...
4Latinmerxmerchandise, commodity; goods, wares
5Proto-Italic*merks

Words derived from “Mercurial

Every word from Proto-Italic *merksEvery word from Latin merxEvery word from Latin Mercurius
Mercurial — Etymology, Origin & Word History | Etymology Explorer