Where does “intergalactic” come from?

Intergalactic comes from English inter- and galactic, where galactic derives from Latin inter-, Ancient Greek γάλα meaning milk, Latin volvere and volvo, and Proto-Indo-European wel- and welH-.

intergalactic (English): Occurring between galaxies

Definitions

  1. Occurring between galaxies

Ancestry of “intergalactic”, step by step

intergalactic traces back through two separate lines of ancestry.

via English galactic

StepLanguageWordMeaning
1EnglishgalacticOf or pertaining to milk, or the secretion of...
2Frenchgalactiquegalactic; galactical
3Latingalacticusmilky
4Ancient Greekγαλακτικόςmilky; milky"
5Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
6Ancient Greek-κόςforms adjectives with the sense of 'of or...
7Proto-Indo-European-ḱos-y, -ic

via French intergalactique

StepLanguageWordMeaning
1Frenchintergalactiqueintergalactic occurring between galaxies
2Frenchinter-inter

Words derived from “intergalactic

Every word from Proto-Indo-European -ḱos