accusative singular neuter (or nominative, depending on context); appears to be a rare or possibly corrupted compound; check manuscript witnesses
Analysis. soṇḍika (festering, suppurating) + kākiḷañja (crow-pecked? or corruption of a medical/anatomical term); the compound denotes a severely infected or gangrenous lesion, possibly one that crows would feed upon—a mark of extreme decay and suffering used in Pali descriptions of disease and bodily decay
Etymology. soṇḍika is related to soṇḍa (mucus, discharge) and the root √sud (to sweat, seep); the second element kākiḷañja is obscure and may be a scribal variant or rare poetic compound with kāka (crow)
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
Lite mode — plain HTML for e-readers and old browsers. Full version