nanism
/ˈneɪnɪz(ə)m/ /ˈnanɪz(ə)m/Medicine and Biology
noun
Genetic or physiological stunting of growth (of an animal or plant); an example or type of this.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From French nanisme from classical Latin nānus dwarf + French -isme.