What is the meaning of suffix num?

The suffix "-num" is not a common English suffix. It's possible you're thinking of a different suffix, or the word you're looking at is a specialized term from a particular field.

To help me understand what you're asking, could you please provide me with more context? For example:

* What word are you looking at?

* What is the word's full definition?

* Where did you encounter the word?

With more information, I can better assist you in understanding the meaning of the "-num" suffix.