The spelling of the name Diedrich can be explained using the International Phonetic Alphabet (IPA). The first sound, "d", is pronounced like the word "did" but pronounced with a harder "d" sound. The second sound, "i", is pronounced like the long "e" in "bee". The third sound, "e", is pronounced like the short "e" in "bet". The fourth sound, "dr", is pronounced like the word "dry". The fifth sound, "i", is pronounced again like the long "e" in "bee". The sixth sound, "ch", is pronounced like the "ch" in "church", and the final sound, "h", is silent.
The word "Diedrich" is of German origin. It is derived from the Old High German name "Dieterich" or "Dietrich", which consists of the elements "diet" meaning "people" or "nation", and "rihhi" meaning "ruler" or "king". Over time, the name evolved and the spelling variation "Diedrich" emerged.