fluster

Etymology

From a Scandinavian (North Germanic) language, akin to Icelandic flaustra (“to be flustered”).

verb

1. (dated) To make hot and rosy, as with drinking.
2. (by extension) To confuse; befuddle; throw into panic by making overwrought with confusion.
   He seemed to get flustered when speaking in front of too many people.
3. (intransitive) To be in a heat or bustle; to be agitated and confused.

noun

1. A state of being flustered; overwrought confusion.