vicissitude

noun

Etymology: From Middle French vicissitude, from Latin vicissitūdō (“change”), from vicissim (“on the other hand, in turn”), from vicis (“change, vicissitude”), whence Portuguese vez and French fois (“time (as in "next time"), occurrence”).

1. Regular change or succession from one thing to another, or one part of a cycle to the next; alternation; mutual succession; interchange; variability.
2. A change, especially in one's life or fortunes.

   “And God made.. the Stars, and set them in the firmament of Heaven to illuminate the Earth, and rule the day in their vicissitude...”

   “Among the vicissitudes incident to life, no event could have filled me with greater anxieties than that of which the notification was transmitted by your order, and received on the fourteenth day of the present month.”