Etymologicum genuinum is a grammatical encyclopedia edited at Constantinople in the ninth century. The work, which is alphabetical to the third letter, borrows from Choiroboskos, Herodian, Methodius, Orion, Oros and Theognostos. Photius, patriarch of Constantinople took up the Etymologicum, which had been started by an unknown grammarian. In this and the recension called Etymologicum parvum that followed it Photius became the founder of the Greek etymological lexical works that were compiled in the twelfth and thirteenth centuries, such as the etymologies known under the titles Etymologicum magnum and Etymologicum Symeonis; their manuscript sources are sometimes more complete. Its modern name was given it by its editor in the nineteenth century, R. Reitzenstein. No existing manuscript of the work is complete. Most of the Etymologicum Genuinum remains unpublished, and some of the only published material is of the nineteenth century. Map of Constantinople. ... For the grammarian, see Aelius Herodianus. ... Saint Methodius was a bishop of Great Moravia (Moravia) (born Thessaloniki, Greece, 826; he died in the (unknown) capital of Great Moravia, April 6, 885). ... // Orion may mean: Astronomy and mythology Orion (mythology) the hunter, from Greek mythology Orion (constellation), a constellation Orion Arm, a spiral arm in the Milky Way galaxy Orion Nebula, a nebula also known as M42 Companies Orion (company), supplier of consumer electronics and white goods from Hungary Orion Beer, a... Photius (b. ... This article is about grammar from a linguistic perspective. ...

These etymologies are useful for the quotations they preserve of literary works otherwise lost.

References

• Günter Berger, Etymologicum genuinum et Etymologicum Symeonis 1972 ISBN 3-445-00974-0
• Robert L. Collison, A History of Foreign-Language Dictionaries, (London: André Deutsch) 1982
• Lloyd W. Daly, Contributions to a History of Alphabetization in Antiquity and the Middle Ages, (Brussels: Latomus) 1967
• John Edwin Sandys, A History of Classical Scholarship: "Volume 1: From the Sixth Century B.C. to the End of the Middle Ages" (Cambridge: Cambridge University Press), 3rd ed. 1921 pp 400, 414f
• J. Shaw, The Printed Dictionary in France before 1539: 1.1. "Greek Lexica - Fifth Century B.C. to Eleventh Century A.D."