(adjective) : dē-crĕpĭtus, a, um, crepo (lit., noiseless; applied to old people, who creep about like shadows)
* Very old, decrepit (mostly ante-class.): vetulus, decrepitus senex,Plaut. Merc. 2, 2, 43; so, senex,id. ib. 20; id. Asin. 5, 2, 13; Ter. Ad. 5, 8, 16: senex,Vulg. 2 Par. 36, 17: leo,Prud. Ham. 561: inter decrepitos me numera et extrema languentes,Sen. Ep. 26: aetas (bestiolae), * Cic. Tusc. 1, 39 fin.

s. TLL