චතුත්ථංපණ්ණාසකcatutthaṃpaṇṇāsakaDigital Pāḷi Dictionarycatutthaṃpaṇṇāsaka nt fourth group of fifty discourses [catutthaṃ + paṇṇāsaka]← චතුත්ථං චතුත්ථංස →