barbarolexis

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

barbărŏlexis, eos, f., = βαρβαρόλεξις,

the perversion of the form of a word , esp. the change or in flection of a Greek word according to Latin usage (while barbarismus is the erroneous pronunciation of a Latin word), Isid. Orig. 1, 31, 2 (in Charis. p. 237 P. used as Greek).