Новые данные по истории древнеболгарского языка в эпиграфике Первого Болгарского царства

The article describes several rare linguistic phenomena observed in earliest Old Bulgarian inscriptions: (1) the sign for palatal consonants in the Temnić inscription which testifies to palatal accomodation of the liquid consonant l to the preceding velar k, (2) in the Bitola inscription, different rools of the use of letters for jers showing the work of two different scribes, (3) ending -i in a compound numeral twelfth ‘12’ otherwise known only in two manuscripts of the 11th c., (4) the construction in + acc of nomen abstractum in the sence of a mode of action, and, in the Krepča inscription n° 2, (5) accusative form summer ‘year’ indicating a specific point in the past (the form lěto ‘year’ with the same function occurs in a few eastern Slavic sources of younger date).