The story
From animalcule + -ist.
First known use, by meaning
- from 18th c. A believer in the theory that the embryo exists preformed within the spermatozoon; a proponent of animalculism.
- 19th c. Someone who studies animalcules.
- from 19th c. Pertaining to animalculism.
Etymology from Wiktionary, CC BY-SA 4.0.