English
sizeism
From size + -ism.
Formed from size + -ism
Proto-Indo-European *sed- ‘to sit’
…
Old French asseoir ‘to sit down’
Old French assise ‘assize’
Old French cise
Middle English syse ‘regulation, control, limit’
English size
Today it means
noun Discrimination based on a person's size (such as height, girth, or weight).
Language periods are conventional ranges, not dates for this word.
Etymograph / sizeism