Where does “nonsurface” come from?

nonsurface (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.

nonsurface (English): Not at or relating to the surface

Definitions

  1. Not at or relating to the surface

Ancestry of “nonsurface”, step by step

nonsurface 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 surface

StepLanguageWordMeaning
1EnglishsurfaceThe overside or up-side of a flat object such as...
2Middle Frenchsurface—
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →