Where does “unstuttering” come from?

unstuttering (English) comes from English stuttering, from English stutter, from Middle English stutten, from Old English stuttan, from Proto-Germanic stutjaną — to stammer, stop short.

unstuttering (English): Speaking or spoken without a stutter

Definitions

  1. Speaking or spoken without a stutter

Ancestry of “unstuttering”, step by step

unstuttering traces back through two separate lines of ancestry.

via English stuttering

StepLanguageWordMeaning
1EnglishstutteringA speech disorder in which the flow of speech is...
2EnglishstutterTo speak with a spasmodic repetition of vocal...
3Middle Englishstuttenstutter; to stammer, stop short
4Old Englishstuttanto stop short, stutter
5Proto-Germanicstutjanąto stammer, stop short

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Germanic stutjanąEvery word from Old English stuttanEvery word from Middle English stutten