Where does “disfluency” come from?

disfluency (English) comes from English dis-, from Middle English dis-, from Old French des-, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

disfluency (English): Lack of fluency in speech; any of various breaks,...

Definitions

Lack of fluency in speech; any of various breaks,...

Ancestry of “disfluency”, step by step

Step	Language	Word	Meaning
1	English	dis-	reversal or removal; apart; Used as an...
2	Middle English	dis-	dis-, de
3	Old French	des-	de-; dis-
4	Latin	dis-	asunder, apart, in two; reversal, removal;...
5	Latin	calceus	shoe
6	Latin	calx	limestone; chalk; the finish line
7	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →