The word ‘end’ can function as different parts of speech depending on its usage in a sentence. Most commonly, ‘end’ is used as a noun or a verb.
As a noun, ‘end’ refers to the final point of something or a termination, such as in the sentence, ‘This is the end of the road.’
Meanwhile, as a verb, ‘end’ means to bring something to a conclusion or to finish it, as in ‘We need to end this meeting soon.’
Therefore, the part of speech of ‘end’ is context-dependent and can vary based on how it is used in communication.