Which grammatical catergory for "He jumped in"?

[Jana0118]

hi, please tell me what the underlined word is catergorised as in the sentence below: -
e. g. verb, noun, adjective, pronoun, determiner, preposition, conjuciton, adverb, interjection etc

1) He jumped in

thank you

[Milanya]

in - preposition
jump in - phrasal verb
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con·text - The part of a text or statement that surrounds a particular word or passage and determines its meaning.