ἑπτάς
From LSJ
Ῥῆμα παράκαιρον τὸν ὅλον ἀνατρέπει βίον → Vitae lues vox missa non in tempore → Ein Wort zur Unzeit stülpt das ganze Leben um
English (LSJ)
άδος, ἡ,
A period of seven days, Arist.HA553a3(pl.). II period of seven years, Syria 5.338, etc. III the number seven, Theol.Ar.43, Nicom.Ar.1.16.