Where does “nonsloping” come from?

nonsloping (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.

nonsloping (English): Not sloping

Definitions

  1. Not sloping

Ancestry of “nonsloping”, step by step

nonsloping 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 sloping

StepLanguageWordMeaning
1EnglishslopingHaving a slope; present participle of slope; An...
2EnglishslopeAn area of ground that tends evenly upward or...
3EnglishaslopeSlanted or sloping; In an unintended or...
4Middle Englishaslope—
Every word from Proto-Indo-European óynos →