<Li> आख्यात ākhyāta--verb </Li> <Li> उपसर्ग upasarga--pre-verb or prefix </Li> <Li> निपात nipāta--particle, invariant word (perhaps preposition) </Li> <P> These four were grouped into two larger classes: inflectable (nouns and verbs) and uninflectable (pre-verbs and particles). </P>

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