auto-1 Syllabification: (auto-) (usually aut- before a vowel)Translate auto- | into German Definition of auto- combining form self:autoanalysis one’s own:autograph by oneself or spontaneous:autoxidation by itself or automatic:autofocusing relating to cars:autocrossOrigin:from Greek autos 'self'auto- in other Oxford dictionaries Definition of auto- in the British & World English dictionary