Where does “nonterrestrial” come from?

nonterrestrial (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonterrestrial (English): Not terrestrial; An organism that did not...

Definitions

  1. Not terrestrial; An organism that did not...

Ancestry of “nonterrestrial”, step by step

nonterrestrial traces back through two separate lines of ancestry.

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

via English Terrestrial

StepLanguageWordMeaning
1EnglishTerrestrialAn inhabitant of the planet Earth
2LatinterrestrisOf or pertaining to the earth or land;...
3LatinTerraTerra goddess of the Earth
4Proto-Indo-Europeanters-dry
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn