Where does “nonfluency” come from?

nonfluency (English) comes from English fluency, from English fluent, from Latin fluens, from Latin fluō, from Proto-Indo-European bʰléh₁-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

nonfluency (English): Lack of fluency; some period of nonfluent speech...

Definitions

  1. Lack of fluency; some period of nonfluent speech...

Ancestry of “nonfluency”, step by step

nonfluency traces back through two separate lines of ancestry.

via English fluency

StepLanguageWordMeaning
1EnglishfluencyThe quality of smoothness of flow; The quality of...
2EnglishfluentThat flows; flowing, liquid; Able to use a...
3Latinfluensflowing, streaming, pouring; being soaked in;...
4Latinfluōto flow, stream, pour
5Proto-Indo-Europeanbʰléh₁-to bleat
6Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
7Proto-Indo-Europeanbʰōl-

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
Every word from Proto-Indo-European bʰōl-