Where does “nondigestion” come from?

nondigestion (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.

nondigestion (English): Absence of digestion; failure to digest

Definitions

  1. Absence of digestion; failure to digest

Ancestry of “nondigestion”, step by step

nondigestion 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 digestion

StepLanguageWordMeaning
1EnglishdigestionThe process, in the gastrointestinal tract, by...
2Old Frenchdigestiondigestion
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →