The Collaborative International Dictionary
Itacism \I"ta*cism\, n. [Cf. F. itacisme. See Etacism, and cf. Iotacism.] (Greek Gram.) Pronunciation of [eta] (eta) as the modern Greeks pronounce it, that is, like e in the English word be. This was the pronunciation advocated by Reuchlin and his followers, in opposition to the etacism of Erasmus. See Etacism.
In all such questions between [epsilon] and
[alpha][iota] the confusing element of itacism comes
n. (alternative form of iotacism English)