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fris·son noun \frē-ˈsōⁿ\
: a brief moment of emotional excitement : shudder, thrill
Example:
<those two are still caught up in the giddy frisson of a new romance>
Etymology:
French, shiver, from Old French friçon, from Late Latin friction-, frictio, from Latin, literally, friction (taken in Late Latin as derivative of frigēre to be cold)
First Known Use: 1777