Instrumental singular of sappavisaṁ (nominal form, possibly a contraction or textual variant; if attested as sappavisam, instrumental singular neuter)
Analysis. sappavisaṁ breaks into sappa (snake) + visa (venom, poison). The compound uses the instrumental form, suggesting the sense 'by means of snake-venom' or 'with venom like a snake's'.
Etymology. Sappa derives from Sanskrit sarpa- (snake), related to sṛp- 'to creep, crawl'; visa (venom, poison) is cognate with Latin virus (poison, slime) and English virus, from the Proto-Indo-European root *wis- 'to flow, ooze'.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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