What is the abbreviation for word namely?

There isn't a widely recognized abbreviation for the word "namely". It's typically used in full within a sentence.

However, if you're looking for a shorter way to introduce a list or examples, you could use:

* i.e. (id est) - meaning "that is"

* e.g. (exempli gratia) - meaning "for example"

These abbreviations are often used in place of "namely" when listing specific examples or clarifying a previous statement.