Ou (Majuscule: , Minuscule: ) is a
ligature of the
Greek letters
The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BCE. It is derived from the earlier Phoenician alphabet, and was the earliest known alphabetic script to have distinct letters for vowels as we ...
ο and
υ which was frequently used in
Byzantine
The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
manuscripts. This ligature is still seen today on
icon
An icon () is a religious work of art, most commonly a painting, in the cultures of the Eastern Orthodox, Oriental Orthodox, and Catholic churches. They are not simply artworks; "an icon is a sacred image used in religious devotion". The mos ...
artwork in Greek Orthodox churches, and sometimes in
graffiti
Graffiti (plural; singular ''graffiti'' or ''graffito'', the latter rarely used except in archeology) is art that is written, painted or drawn on a wall or other surface, usually without permission and within public view. Graffiti ranges from s ...
or other forms of informal or decorative writing.
Usage
The ligature is now mostly used in the context of the
Latin alphabet
The Latin alphabet or Roman alphabet is the collection of letters originally used by the ancient Romans to write the Latin language. Largely unaltered with the exception of extensions (such as diacritics), it used to write English and the ...
, interpreted as a ligature of Latin
o and
u: for example, in the orthography of the
Wyandot language and of
Algonquian languages
The Algonquian languages ( or ; also Algonkian) are a subfamily of indigenous American languages that include most languages in the Algic language family. The name of the Algonquian language family is distinguished from the orthographically simi ...
e.g. in
Western Abenaki
The Abenaki (Abenaki: ''Wαpánahki'') are an Indigenous peoples of the Northeastern Woodlands of Canada and the United States. They are an Algonquian-speaking people and part of the Wabanaki Confederacy. The Eastern Abenaki language was pred ...
to represent , and in
Algonquin
Algonquin or Algonquian—and the variation Algonki(a)n—may refer to:
Languages and peoples
*Algonquian languages, a large subfamily of Native American languages in a wide swath of eastern North America from Canada to Virginia
**Algonquin la ...
to represent , or . Today, in Western Abenaki, "ô" is preferred, and in Algonquin, "w" is preferred.
An ou ligature much different in form (with the two letters side-by-side as in most ligatures, as opposed to one on top of the other) was used in the
Initial Teaching Alphabet
The Initial Teaching Alphabet (I.T.A. or i.t.a.) is a variant of the Latin alphabet developed by Sir James Pitman (the grandson of Sir Isaac Pitman, inventor of a system of shorthand) in the early 1960s. It was not intended to be a strictly phone ...
.
The ligature, in both majuscule and minuscule forms, is occasionally used to represent minuscule of "У" in the
Romanian Transitional Alphabet
The Romanian transitional alphabet ( ro, Alfabetul român de tranziție), also known as the civil alphabet ( ro, alfabetul civil), was a series of alphabets containing a mix of Cyrillic and Latin script, Latin characters used for the Romanian la ...
, as the glyph for monograph Uk (ꙋ) is rarely available in font sets.
The
Uralic Phonetic Alphabet
The Uralic Phonetic Alphabet (UPA) or Finno-Ugric transcription system is a phonetic transcription or notational system used predominantly for the transcription and reconstruction of Uralic languages. It was first published in 1901 by Eemil Nes ...
uses and to indicate a
back vowel
A back vowel is any in a class of vowel sound used in spoken languages. The defining characteristic of a back vowel is that the highest point of the tongue is positioned relatively back in the mouth without creating a constriction that would be c ...
of unknown quality.
Computer encoding
In
Unicode
Unicode, formally The Unicode Standard,The formal version reference is is an information technology standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. The standard, ...
, it is encoded for use in Latin as "Latin Capital Script OU" (U+0222 Ȣ) and "Latin Small Letter OU" (U+0223, ȣ) in the ''Latin Extended-B'' range, and for use in Cyrillic as
Cyrillic letter monograph Uk
The Cyrillic script ( ), Slavonic script or the Slavic script, is a writing system used for various languages across Eurasia. It is the designated national script in various Slavic, Turkic, Mongolic, Uralic, Caucasian and Iranic-speaking c ...
(uppercase U+A64A, Ꙋ, lowercase U+A64B, ꙋ), in addition to now deprecated "Cyrillic letter Uk" (uppercase U+0478, Ѹ, lowercase U+0479, ѹ), which may be realized with the "о" and "у" either side by side or combined vertically.
Despite the ligature's origin in Greek, there is no separate provision for its encoding in the Greek script, because it was deemed to be a mere ligature on the font level but not a separate underlying character. A proposal for encoding it as "Greek letter ou" was made in 1998, but was rejected.
[Nick Nicholas ]
Other ligatures
'.
References
{{Latin script
Ou
Ou
Vowel letters