neuter evil, grief, pain, suffering, misfortune SN.i.22; MN.i.500 (roga gaṇḍa salla agha); AN.ii.128 (id.); Ja.v.100; Thig.491; Sdhp.51
■ adj. painful, bringing pain Ja.vi.507 (agha-m-miga = aghakara m. C.). -bhūta a source of pain SN.iii.189 (+ agha & salla).
cp. Sk. agha, of uncertain etym.