dedecorus
From LSJ
τὴν πολιὴν καλέω Νέμεσιν πόθου, ὅττι δικάζει ἔννομα ταῖς σοβαραῖς θᾶσσον ἐπερχομένη → I call gray hairs the Nemesis of love, because they judge justly, coming sooner to the proud
Latin > English (Lewis & Short)
dē-dĕcōrus: a, um,
I adj., disgraceful, dishonorable, shameful (very rare), Plaut. Bacch. 5, 2, 73: majoribus suis, Tac. A. 3, 32; id. ib. 12, 47.