Ithaca is a proper noun.
Odysseus returns to Ithaca in disguise as part of his own plan to test the loyalties of the men and women of Ithaca.
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
Odysseus was king of Ithaca. Ithaca is a small island off the western coast of Greece, of which it is now a part.
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.