past participle adjective
Abhippavuṭṭha (past participle) [from abhippavassati] having rained, poured, fallen; transative S V 51 (bandhanāni meghena °āni) = A V 127; intransitive M II 117 (mahāmegho °o there has been a cloudburst).
(act.) having rained; (passive) rained upon
(pp, pp of abhippavassati) heavily rained on (by); inundated by rainfall Construction: abhi + pa + √vass > vus + ta