The word 'part' can be 1) a noun, 2) an adjective, 3) a verb, or 4) an adverb.
1) My mother gave me part of her dessert, as she was not very hungry.
2) What he has written is part novel and part poem.
3) He threatened to part me from my family and friends.
4) This invoice has been part-paid.
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.
The part of speech for "indefinite" is an adjective.
The part of speech for "buried" is a verb.