Greek alphabet

The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BCE.[3][4] It is derived from the earlier Phoenician alphabet,[5] and was the earliest known alphabetic script to have distinct letters for vowels as well as consonants. In Archaic and early Classical times, the Greek alphabet existed in many local variants, but, by the end of the 4th century BCE, the Euclidean alphabet, with 24 letters, ordered from alpha to omega, had become standard and it is this version that is still used for Greek writing today.

Greek alphabet
Ellenikó alpháveto
"Greek alphabet" in the modern Greek language
Script type
Time period
c. 800 BC – present[1][2]
Official script Greece


 European Union
Related scripts
Parent systems
Child systems
ISO 15924
ISO 15924Grek, 200 , Greek
Unicode alias

The uppercase and lowercase forms of the 24 letters are:

Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ/ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω.

The Greek alphabet is the ancestor of the Latin and Cyrillic scripts.[6] Like Latin and Cyrillic, Greek originally had only a single form of each letter; it developed the letter case distinction between uppercase and lowercase in parallel with Latin during the modern era. Sound values and conventional transcriptions for some of the letters differ between Ancient and Modern Greek usage because the pronunciation of Greek has changed significantly between the 5th century BCE and today. Modern and Ancient Greek also use different diacritics.

Apart from its use in writing the Greek language, in both its ancient and its modern forms, the Greek alphabet today also serves as a source of technical symbols and labels in many domains of mathematics, science, and other fields.

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