The paper deals with the question of the oldest denomination of glagolitic alphabet and, in consequence, of the cyrillic too. Traditionally, scholars have related the current name «glagolitica» or «glagolica» to the verb glagolati or to the substantive “glagol”, which is also the name of the fourth letter. But this is clearly a paraetymology, whose origin goes back to later time. In fact, the oldest sources transmit ethnical names, i. e. slovenskyja gramota and its variants, but the russian Khronograf (1494) contains the enigmatic denomination “litica”. Different hypothesis arose to explain this name, but they start from a common assumption that there has been an orthographical misunderstanding of lection «glagolitica» by the scribe. A new...