The name "Kyureki" was given in posterity by combining the 'nine' (ku/kyu) from Kujo (the ninth avenue) and 'calendar' (reki) from guchureki (a kind of almanac-like calendar), as many diaries were kept in guchureki in those days.
『九暦』は、九条の「九」と、当時の日記に多くが具注暦に書かれることから、具注暦の「暦」をとって後人が付けた名称である。