euh

Etymology
The spelling is probably influenced by.

Interjection

 * ,, , ; used as a space filler or pause during conversation
 * ,, , ; used to express hesitation, confusion, or doubt
 * ,, , ; used to express embarrassment or subtle disagreement

Noun

 * 1) an  of the  sound

Interjection

 * 1) er, um, uh; expressing hesitation, reflection, confusion, or doubt