The most westerly branch of the great Slavic family of
   nations, numbering now more than 6,000,000, and found principally in
   Bohemia and Moravia.
   D () The fourth letter of the English alphabet, and a vocal consonant.
   The English letter is from Latin, which is from Greek, which took it
   from Ph/nician, the probable ultimate origin being Egyptian. It is
   related most nearly to t and th; as, Eng. deep, G. tief; Eng. daughter,
   G. tochter, Gr. qyga`thr, Skr. duhitr. See Guide to Pronunciation,
   Ã178, 179, 229.