English
floatability
From float + -ability.
Formed from float + -ability
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 The condition of being floatable
Language periods are conventional ranges, not dates for this word.
Etymograph / floatability