Etymograph

English

fluidism

From fluid + -ism.

Formed from fluid + -ism

Latin fluō ‘to flow’

Latin fluidus ‘flowing’

Middle English fluid

English fluid

Today it means

noun The doctrine that the fluids of the body are the source of its vital properties and are susceptible to disease.

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

Etymograph / fluidism