septenary

In ancient times, a septenary of planets was often used to define the days of the week.

在古代，七个一组行星常被用来定义一周的每一天。

The company's fiscal cycle follows a septenary pattern, with major reviews every seven years.

该公司的财政周期遵循七年模式，每七年进行一次重大审查。

The septenary is a significant number in many religious traditions, symbolizing completion.

数字七在许多宗教传统中是一个重要的数字，象征着完整。