Perry Index Perry Index The Perry Index is a widely used index of "Aesop's Fables" or "Aesopica", the fables credited to Aesop, the storyteller who lived in ancient Greece between 620 and 560 BC. Modern scholarship takes the view that Aesop probably did not compose all of the fables attributed to him; indeed, a few are known to have first been used before Aesop lived, while the first record we have of many others is from well over a millennium after his time. Traditionally, Aesop's fables were arranged alphabetically, which is not helpful to the reader. B. E. Perry listed them by
Ancient Greek phonology to the ones that occurred later in Koine. This section primarily describes sound changes that occurred between the Mycenaean and Ancient Greek periods and during the Ancient Greek period. For sound changes occurring in Proto-Greek and in Koine Greek, see and Koine Greek phonology. In Proto-Greek, the PIE sibilant became by debuccalization in many cases. Clusters of and a sonorant (liquid or nasal) at the beginning of a word became a voiceless resonant in some forms of Archaic Greek. Voiceless remained in Attic at the beginning of words, and became the regular allophone of in this position; voiceless merged with