What part of speech is the word sum?

The word "sum" can be several parts of speech depending on its context:

* Noun: When it refers to the total amount resulting from adding numbers together.

* Example: "The sum of 2 and 3 is 5."

* Verb: When it means to add up or calculate a total.

* Example: "Sum the numbers in the column."

* Adjective: Less common, but used to describe something that is total or complete.

* Example: "The sum total of his possessions."

Let me know if you have a specific sentence in mind and I can tell you which part of speech "sum" is functioning as!