"mere parroting, parrotry, repetition without reasoning," 1861, from French psittacisme (Liebnitz, 1765) or else from German psittazismus, both from Latin psittacus "parrot" (see psittacine) + -ism.
Entries linking to psittacism
psittacine adj.
"of or pertaining to parrots, belonging to a bird of the parrot family," 1826, from Late Latin psittacinus "of or pertaining to a parrot," from psittacus "parrot," from Greek psittakos (also bittakos, sittakē) "a parrot," said to be a foreign word.
-ism
word-forming element making nouns implying a practice, system, doctrine, etc., from French -isme or directly from Latin -isma, -ismus (source also of Italian, Spanish -ismo, Dutch, German -ismus), from Greek -ismos, noun ending signifying the practice or teaching of a thing, from the stem of verbs in -izein, a verb-forming element denoting the doing of the noun or adjective to which it is attached. For distinction of use, see -ity. The related Greek suffix -isma(t)- affects some forms.