stun

stun

1. To daze or render senseless, by or as if by a blow.
2. To overwhelm or daze with a loud noise.
3. To stupefy, as with the emotional impact of an experience; astound. See Synonyms at daze.

Origin: Middle English stonen, Old French estoner, from Vulgar Latin *extonāre : Latin ex-, ex- + Latin tonāre, to thunder; see (s)tenə- in Indo-European roots.