No, the word 'eldest' is an adjective, a word that describes a noun as of the greatest age, an alternate to the adjective oldest.
A pronoun is a word that takes the place of a noun in the sentence.
Example:
Uncle Jack is the eldest member of our family. He is eighty eight.
- the pronoun 'he' takes the place of the noun 'Uncle Jack';
- the adjective 'eldest' describes the noun 'member'.
adverb
what part of speech is beneath
i want to know what part of speech is camping
The part of speech is a adjective
Oppose is a verb.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "breezy" is an adjective.