1. rise, origin DN.i.17; DN.ii.33, DN.ii.308; DN.iii.227; AN.i.263 (kamma˚); Vin.i.10; Snp.p.135; Iti.16 (samuddaya metri causa) etc. dukkha˚; the origin of ill, the second ariya-sacca, e.g. DN.iii.136; AN.i.177 Vism.495 (where samudaya is explained in its parts as sam u + aya); Vb-a.124.
2. bursting forth, effulgence (pabhā˚) Ja.i.83.
3. produce, revenue DN.i.227.

saṃ + udaya