dissogeny
noun
dis·sog·e·ny
də̇ˈsäjənē
variants or less commonly dissogony
-ägə-
plural -es
: the occurrence of sexual maturity at two distinct periods in the life of an individual (as in the larva and again in the adult of certain ctenophores)
Word History
Etymology
International Scientific Vocabulary diss- + -geny or -gony; originally formed as German dissogonie