fem instr sg of puṇṇamā (noun); fem dat sg of puṇṇamā (noun); fem abl sg of puṇṇamā (noun); fem gen sg of puṇṇamā (noun); …
Analysis. puṇṇa (full) + mā (moon); the full moon night, especially significant in Buddhist practice as a day of heightened observance.
Etymology. puṇṇa from Proto-Indo-European *plenh₂- (to fill), cognate with Latin plenus, English full, Sanskrit pūrṇa. mā is the Pali form of Sanskrit māsī (moon), from PIE *meh₁- (to measure), as the moon measures time; cognate with English month, Latin mensis.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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