Etymograph

English

solidism

From solid + -ism.

Formed from solid + -ism

Proto-Indo-European *solh₂- ‘integrate’

…

Proto-Italic *soliðos

Latin solidus

Old French solide

Middle English solide

English solid

Today it means

noun The doctrine that the solid parts of the body are the only parts that have vital properties and are susceptible to disease

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

Etymograph / solidism