Where does “mercuric” come from?

Mercuric comes from English Mercury via Latin -icus and Proto-Indo-European -kos, ultimately deriving from Proto-Italic merk-.

mercuric (English): Pertaining to or derived from mercury;...

Definitions

  1. Pertaining to or derived from mercury;...

Ancestry of “mercuric”, step by step

mercuric traces back through two separate lines of ancestry.

via French mercurique

StepLanguageWordMeaning
1Frenchmercuriquemercuric
2French-iqueUsed to form adjectives from nouns: -ic, -ical,...
3Middle French-iqueic
4Old French-ique-ic
5Latin-icusbelonging to; derived from; of or pertaining to;...
6Proto-Italic*-ikosforms adjectives with the sense of 'of or pertaining to'

via English Mercury

StepLanguageWordMeaning
1EnglishMercuryA carrier of tidings; a newsboy, a messenger;...
2Middle EnglishMercurieMercury Roman god
3LatinMercuriusMercury; a Roman god associated with speed and...
4Latinmerxmerchandise, commodity; goods, wares
5Proto-Italic*merks

Words derived from “mercuric

Every word from Proto-Italic *-ikosEvery word from Latin -icusEvery word from French -ique
mercuric — Etymology, Origin & Word History | Etymology Explorer