Pecuniary is an adjective that means related to money. 

The latin word pecu (PECK ooh) means ‘cattle’ or ‘money.’ Our word of the day originated there and joined the English language in the early 16th century. Here’s an example of pecuniary in use:

In spite of Chuck’s pecuniary shortcomings, he’s been able to enjoy a nice, happy life. I guess it’s true that money isn’t everything.