Ask at the forum if you have an Ancient or Modern Greek query!
Ῥῆμα παρὰ καιρὸν ῥηθὲν ἀνατρέπει βίον → Vitae lues vox missa non in tempore → Ein Wort zur Unzeit stülpt das ganze Leben um
P. and V. ἔνατος (Soph., Electra 707).