What does the root word mem mean?

The root word "mem" doesn't have a concrete meaning on its own. It's often found as a part of larger words, and its meaning depends on the context and the other parts of the word.

For example, "mem" is often used in words related to memory.

* Memorize: To commit something to memory.

* Memento: An object that serves as a reminder of a person or event.

* Memoir: A written account of a person's life.

However, "mem" can also appear in words with different meanings. For example, "membrane" doesn't have anything to do with memory but refers to a thin layer of tissue.

It's important to consider the entire word and its context to understand the meaning of "mem" in a given instance.