English
glue factory
From glue + factory, from the former practice of using collagen from horses to make animal glue.
Proto-Indo-European *gleyH- ‘to stick, glue’
…
Latin glūten
Late Latin glūs
Old French glu ‘glue, birdlime’
Middle English glew
English glue
first attested First attested in the 18th century (as stated in the etymology)
The story
First attested in the 18th century.
Today it means
noun A notional place where (usually old or unwanted) horses are sent to be slaughtered or euthanized.
Language periods are conventional ranges, not dates for this word.
Etymograph / glue factory