What part of speech is the word climb in sentence After a recent Himalayas Amalie insisted that she had confronted Yeti?

The word "climb" is not present in the sentence "After a recent Himalayas Amalie insisted that she had confronted Yeti?". Therefore, it's impossible to determine its part of speech in this context.

It's possible that you meant to ask about a different word from the sentence, or you might have made a mistake in writing it.