adverb + first person singular nominative pronoun, in close apposition; 'here I' or 'I here' as a rhetorical emphasis
Analysis. idha (adverb of place) + ahaṁ (pronoun 'I'); the construction emphasizes the speaker's immediate presence and engagement, common in the Buddha's direct address to disciples and in doctrinal declarations of personal commitment.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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