Where does “intermercurial” come from?

intermercurial (English) comes from English inter, from Middle English enteren, from French entrer, from Middle French entrer, from Old French entrer, from Latin intrō, from Latin intra, from Latin interus — Contrastive or oppositional adjectival suffix.

intermercurial (English): Between Mercury and the Sun

Definitions

  1. Between Mercury and the Sun

Ancestry of “intermercurial”, step by step

intermercurial traces back through two separate lines of ancestry.

via English inter

StepLanguageWordMeaning
1EnglishinterTo bury in a grave; To confine, as in a prison
2Middle Englishenteren
3Frenchentrerto enter
4Middle Frenchentrerto enter
5Old Frenchentrerto enter
6Latinintrōto enter, go into, come in, get in, penetrate
7Latinintrawithin; inside; during; less than
8Latininterus
9Proto-Indo-Europeanh₁énterosinside, within
10Proto-Indo-European-terosContrastive or oppositional adjectival suffix

via English Mercurial

StepLanguageWordMeaning
1EnglishMercurialAny of the plants known as mercury, especially the annual mercury or French mercury (Mercurialis annua)
2Middle EnglishmercurialA plant belonging to the genus "Chenopodium"; a...
3LatinMercurialispertaining to the Roman god Mercury
4LatinMercuriusMercury; a Roman god associated with speed and...
5Latinmerxmerchandise, commodity; goods, wares
6Proto-Italic*merks
Every word from Proto-Indo-European -terosEvery word from Proto-Indo-European h₁énterosEvery word from Latin interus