What part if speech is undertow?

"Undertow" can be a few different parts of speech, depending on how it's used in a sentence:

* Noun: This is the most common usage. "Undertow" refers to a strong current that flows back out to sea from the shore. Example: "The strong undertow pulled her further out to sea."

* Adjective: "Undertow" can also be used as an adjective to describe something that pulls or draws something else inward. Example: "The movie had an undertow of sadness."

* Verb: While not as common, "undertow" can also be a verb meaning to pull or drag something back under the surface. Example: "The waves undertowed the debris back to the shore."

So, the part of speech for "undertow" depends on the context of the sentence.