masc nom sg of saupanisa (adj)
Analysis. sa- (with) + upanisa (supporting condition, proximity), lit. 'with nearby support'. The word appears in the context of dependent origination: events arise sa-upanisaṁ, 'with a conditioning basis'.
Etymology. sa- (with, together; from saṁ) + upa- (near, up close) + ni- (down, into) + -sa (nominalizing suffix). The spatial prefix upa- (approach) combined with ni- (descent or settling) creates the sense of a proximate, foundational condition—something that stands near and supports from below. Cognate with upādāna 'clinging' (fuel taken up close by fire) and the Latin sub- 'under' (support, substrate).
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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