English

solubleness

From soluble + -ness.

Formed from soluble + -ness

Proto-Indo-European *lewh₁- ‘to cut off, release’

…

Latin solvō ‘to loosen’

Late Latin solūbilis ‘that may be loosed or taken apart, dissolvable’

Old French soluble

Middle English soluble

Today it means

noun solubility

Language periods are conventional ranges, not dates for this word.

Etymograph / solubleness