Where does “nongalactic” come from?

nongalactic (English) comes from English galactic, from French galactique, from Latin galacticus, from Ancient Greek γαλακτικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

nongalactic (English): Far from galaxies; not interacting with galaxies;...

Definitions

  1. Far from galaxies; not interacting with galaxies;...

Ancestry of “nongalactic”, step by step

nongalactic 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 English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -ḱosEvery word from Ancient Greek -ικόςEvery word from Ancient Greek -κός