nt dat sg of khayañāṇa (noun)
Analysis. khaya (extinction, depletion) + ñāṇa (knowledge); a compound denoting direct understanding of the cessation of defilements, a cardinal insight in Abhidhamma analysis.
Etymology. khaya from √khi (to be diminished, wear away); ñāṇa from √ña (to know). Both roots are ancient Indo-European: khi is cognate with English "decay" and Latin "cadere" (to fall, decline); ña is the root of English "know" (PIE *gn̥- in the zero-grade).
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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