nominative singular pronoun + emphatic particle (sandhi form ahameva)
Analysis. ahaṃ (first-person nominative pronoun) + eva (emphatic particle meaning 'just, only, very'), fused in sandhi; 'I myself' or 'I even', stressing the subject's identity or uniqueness.
Etymology. ahaṃ from Proto-Indo-European *ego- (first-person singular); cognates: English I, Latin ego, Greek egō (ἐγώ), Sanskrit aham. eva is from PIE *-we (reflexive/emphatic intensifier); compare Sanskrit eva and English -self compounds.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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