English
insectarium
From insect + -arium.
Formed from insect + -arium
Proto-Indo-European *sek- ‘to cut’
…
Latin īnsecō ‘to cut into, to cut up’
Latin īnsectus ‘cut into, cut up, with a notched or divided body’
Latin īnsectum
Middle French insecte
English insect
Today it means
noun A type of live insect zoo, or a museum or exhibit of live insects and similar arthropods.
Language periods are conventional ranges, not dates for this word.
Etymograph / insectarium