Adverb.
"Spiral" can be a noun as in, "The spring is in the shape of a spiral", or it can be a verb as in, "He would eventually spiral out of control."
adverb
what part of speech is beneath
i want to know what part of speech is camping
The part of speech is a adjective
"Eventually" is an adverb. It describes when something will happen or the way in which something will happen.
"Spiral" can be a noun as in, "The spring is in the shape of a spiral", or it can be a verb as in, "He would eventually spiral out of control."
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "lecturer" is a noun.