English
flotation
From float + -ation.
A compound of float + -ation
Proto-Indo-European *plewd- ‘to float, swim, fly’
Proto-Germanic *flutōną ‘to float’
Proto-West Germanic *flotōn ‘to float’
Old English flotian ‘to float’
Middle English floten ‘to float’
English float
Today it means
noun A state of floating, or being afloat.
Language periods are conventional ranges, not dates for this word.
Etymograph / flotation