Stutter
late 16th century (as a verb): frequentative of dialect stut, of Germanic origin; related to German stossen ‘strike against’.
wiktionary
From Middle English stutten, stoten(“stutter”); cognate with Dutch stotteren(“stutter”).
etymonline
stutter (v.)
1560s, frequentative form of stutt "to stutter," from Middle English stutten "to stutter, stammer" (late 14c.), cognate with Middle Low German stoten "to knock, strike against, collide," from Proto-Germanic *staut- "push, thrust" (source also of Old Saxon stotan, Old High German stozan, Gothic stautan "to push, thrust;" German stutzen "to cut short, curtail; to stop short, hesitate," Dutch stuiten "to stop, check, arrest, stem."), from PIE *(s)teu- (1) "to hit, beat, knock against" (see steep (adj.)). The noun is attested from 1854. Related: Stuttered; stuttering; stutterer.
