Stutter (verb)

1. To speak with hesitation or interruption, especially in the initial letter or sound of a word.
2. To hesitate or falter in speech.

Origin:

From the middle english word "stutten", meaning "to stammer".

Examples:

1. He stuttered when he tried to introduce himself.
2. She stuttered when asked her name.
3. He stuttered when he was trying to ask the question.
4. I stuttered when I was trying to give a presentation.
5. He stuttered through his entire speech.