The spelling of the word "Gregoor" can be explained using the International Phonetic Alphabet (IPA). The first syllable "Gre" is pronounced as [gɹi] with a hard "g" sound followed by a long "e" sound. The second syllable "goor" is pronounced as [ɡʊɹ] with a soft "g" sound followed by a short "oo" sound and ending with the "r" sound. This spelling reflects the pronunciation of the name and distinguishes it from alternate spellings like "Gregor" or "Gregoire".