1861, with -itic + Serbo-Croatian glagolica "Glagolitic alphabet," from Old Church Slavonic glagolu "word," from PIE *gal-gal-, reduplicated form of root *gal- (2) "to call, shout" (see call, v.). The older of the two Slavic writing systems (Cyrillic is the other), used in Istria and Dalmatia, it was designed by Cyrillus c.863 C.E.