Where does “nonmastery” come from?

nonmastery (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.

nonmastery (English): Absence of mastery; failure to master something

Definitions

  1. Absence of mastery; failure to master something

Ancestry of “nonmastery”, step by step

nonmastery 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 mastery

StepLanguageWordMeaning
1EnglishmasteryThe position or authority of a master; dominion;...
2Middle Englishmaistriea masterly operation; a feat
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →