Denny Diehl here Reading in Philo I found the following: "But the Romans, adding the letter S, which had been omitted by the Greeks, show still more conspicuously the correct etymological meaning of the word, calling it SEPTEM, as derived from SEMNOS, venerable, as has been said before, and from SEBASMOS, veneration." -On the Creation XLII Greeks omitted the letter S? Comments?