Definition of "whom"
pronoun:
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What person or people; which person or people, as the object of a verb.
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What person or people; which person or people, as the object of a preposition.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Him; her; them (used as a relative pronoun to refer to a previously mentioned person or people.).
from Wiktionary, Creative Commons Attribution/Share-Alike License
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