Thou is a pronoun, specifically a second person singular pronoun. It is an older form of "you" used in Early Modern English.
Thou is an older version of you, and you is a pronoun, therefore, Thou is a pronoun.
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
Thou is an older version of you, and you is a pronoun, therefore, Thou is a pronoun.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
"Hear his speech, but say thou naught."
"Hear his speech but say thou nought."
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.