I.in pres. part. grieving, sorrowing, mourning, Hom.
II.from the same Root ΑΧ, came also
1.aor2 in Causal sense, to grieve, vex, annoy, distress, Hom.: so also, redupl. fut. ἀκαχήσω, epic aor1 ἀκάχησα, id=Hom.; and a pres. ἀκαχίζω
2.pass. to be grieved, distressed, Hom.; c. gen. causae, to grieve for a person, id=Hom.; rarely c. dat. to grieve at a person's death, Od.; the cause of grief also in partic., μή τι θανὼν ἀκαχίζεο id=Od.
3.later c. acc. to lament, Soph.