English
flutteration
From flutter + -ation.
Formed from flutter + -ation
Proto-Indo-European *plewd- ‘to float, swim, fly’
…
Proto-Germanic *flutōną ‘to float’
Proto-Germanic *flutrōną
Old English floterian ‘to float about, flutter’
Middle English floteren ‘to be held up or be supported by water’
English flutter
Today it means
noun A state of agitation or uncertainty.
Language periods are conventional ranges, not dates for this word.
Etymograph / flutteration