pronoun; genitive singular (mayha) + emphatic particle (eva), appearing in surface form mayhameva
Analysis. mayhaṃ (genitive singular of ahaṃ, 'of me, to me') + eva (emphatic particle meaning 'just, only, itself'), expressing emphatic possession or identity: 'of me myself', 'mine alone'.
Etymology. ahaṃ is an ancient first-person pronoun descended from Proto-Indo-European *h₁eǵ- (also in Latin ego, Greek egṓ, English I). The genitive mayha/mayhaṃ derives from the same root with oblique-case formation. eva is an emphatic particle (not inflected) cognate with Sanskrit eva, emphasizing the word it follows.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
Lite mode — plain HTML for e-readers and old browsers. Full version