καταρρᾱθῡμέω · katarrathymeō — LSJ
to be remiss or idle, X. Mem. 3.5.13, D. 24.210, PHib. 1.44.4 (iii B.C.), Porph. Abst. 2.46, etc.:—also in Med., Ammon. in Cat. 7.12.
trans., neglect, τι Cod.Just. 1.2.24.16: also c. gen., Just. Nov. 22.45.3.
lose through negligence, μηδὲν κ. X. HG 6.2.39:—Pass., τὰ κατερραθυμημένα πάλιν ἀναλήψεσθε will recover ground lost through negligence, D. 4.7.
make languid, -θυμοῦντος τὴν χεῖρα τοῦ ὕπνου Philostr. Im. 1.2:—Pass., Philostr.Jun. Im. 2.