polymitosis
/ˌpɒlɪmʌɪˈtəʊsɪs/Biology
noun
The occurrence of multiple mitotic cell divisions, especially following meiosis in microsporogenesis; any of these divisions.
Origin
1930s; earliest use found in Cyril Darlington (1903–1981), cytogeneticist and evolutionist. From poly- + mitosis, after polymitotic.