# What is the meaning of the word root “aceto”?

What is the meaning of the word root "aceto"?

I believed that "aceto" meant a methyl attached to a carbonyl group. For example, as in acetamide. Then, why do we name $\ce{CH3C\bond{3}N}$ as acetonitrile, even though it does not have any carbonyl group?

• – Mithoron Mar 25 '18 at 18:13