Where does “Vulcanic” come from?

Vulcanic (English) comes from French volcanique, from French -ique, from Middle French -ique, from Old French -ique, from Latin -icus, from Proto-Italic *-ikos — forms adjectives with the sense of 'of or pertaining to'.

Vulcanic (English): Of, pertaining to, or resembling the Roman god...

Definitions

  1. Of, pertaining to, or resembling the Roman god...

Ancestry of “Vulcanic”, step by step

Vulcanic traces back through 3 separate lines of ancestry.

via French volcanique

StepLanguageWordMeaning
1Frenchvolcaniquevolcanic
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 Italian vulcanico

StepLanguageWordMeaning
1Italianvulcanicovolcanic
2Portuguese-içoic; -ical of or relating to [the suffixed noun]
3Latin-icius-itious
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English Vulcan

StepLanguageWordMeaning
1EnglishVulcanAn inhabitant of the planet Vulcan; A person who...
2LatinVulcanusVulcan, god of fire and forging; Vulcan, the...
Every word from Proto-Italic *-ikos