Atidukkha [ati + dukkha] great evil, exceedingly painful excessive suffering Pv-a 65; Saddh 95. In atidukkha-vāca Pv-a 15 ati belongs to the whole compound, i.e. of very hurtful speech.
(adj, adj, comp) exceedingly painful; excessively difficult Construction: ati + dukkha