noun (neuter), accusative singular; often used in compounds and fixed phrases
Analysis. The accusative form vacanaṁ is the inflected surface form of the lemma vacana (neuter noun). No further compositional analysis needed.
Etymology. From √vac 'speak' (Sanskrit vacana, Latin vox 'voice', English voice, German Wach from Indo-European *wekw-). The suffix -ana forms agent/action nouns. The root imagery is the physical act of utterance; the word extends to any speech-act, teaching, or authoritative statement.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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