indeclinable; contraction of yena + ahaṁ in sandhi (yena + aham̆ > yenāham̆ > yenāhaṁ)
Analysis. yena (relative indeclinable, 'by which, whereby') + ahaṁ (nominative singular first person pronoun, 'I'); the contraction occurs through sandhi as the short -a of yena elides before the initial vowel of ahaṁ, and final -m assimilates to the following palatal.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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