EN
The author analises lexical and semantical archaisms, taken from Śpiewnik kościelny [Church Songbook] by reverend J. Siedlecki (see abbreviation Sdl). The words have been chosen on the basis of Słownik języka polskiego [Polish Language Dictionary] edited by W. Doroszewski (see abbreviation SJP). In the mentioned Dictionary words that appear in the songs and the words’ explanations are qualified as old-fashioned meaning that a contemporary Pole of average education would not understand them or archaic meaning known only to the eldest generation. The author takes into consideration words that are not mentioned in the Polish Language Dictionary, he also indicates if the word has been mentioned in Słownik języka polskiego [Polish Language Dictionary] edited by S. B. Linde (abbreviation L)