nominative singular masculine compound adjective (reconstructed from surface form adhivāsanāpahātabbaāsava; likely a corruption or variant of adhivāsanāpahātabba + āsava, meaning 'canker that should be abandoned through endurance')
Analysis. adhivāsanā (endurance, forbearance: adhi- 'bearing down on' + √vas 'dwell') + pahātabba (that should be abandoned: pa- 'forth' + √hata 'struck' + -tabba suffix of obligation) + āsava (canker, mental defilement, lit. 'flowing toward': ā- 'toward' + √su 'flow').
Etymology. A doctrinal compound analyzing āsava (the four cankers: kāmāsava, bhavāsava, diṭṭhāsava, avijjāsava) as something overcome through adhivāsanā (patient endurance, forbearance), a key quality in the path. Āsava derives from ā- + √su 'to flow', the image being mental taints that flow toward and into the mind.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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