merisis--prophetes.ai

merisis Biol.
  (ˈmɛrɪsɪs)
  [mod.L., f. Gr. µερίς part (cf. meris) + -sis, Gr. suff. of action.]
  (See quot. 1962.)

1940 [see auxesis 2]. 1962 R. Rugh Exper. Embryol. (ed. 3) 486/2 Merisis, growth by cell multiplication (in plants).

Oxford English Dictionary