pronoun with emphatic particle (sandhi form)
Analysis. koci (indefinite pronoun: someone, something) + eva (emphatic particle: just, even, only) — the combination kocideva emphasizes the indefinite sense, 'some or other', 'even just some'.
Etymology. kaci is an indefinite pronoun of obscure origin, possibly related to kata/kattha (where, which), but the etymology is not transparent. eva is from PIE *ewen- (cf. Sanskrit eva, meaning 'even, also, only'), cognate with English 'even'.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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