Note:  Do not rely on this information. It is very old.


D, the fourth letter of the alphabet, derived from the Chalkidic form of the Greek delta adopted by the Romans from the Sicilian Greeks. It is probably derived from a hieroglyphic representing the triangular doorway of a tent. The Roman D is the numeral sign for 500. In music D is the second note of the natural scale.

“Let us fix our eyes on Jesus, the author and perfecter of our faith, who for the joy set before him endured the cross, scorning its shame, and sat down at the right hand of the throne of God.”
Hebrews 12:2