Eth
| Ð | |
|---|---|
| Ð ð | |
| (See below) | |
 | |
| Usage | |
| Writing system | Latin script |
| Type | Alphabetic and Logographic |
| Language of origin | Old English language Old Norse language |
| Phonetic usage | [ð] [θ] [ð̠] /ˈɛð/ |
| Unicode codepoint | U+00D0, U+00F0 |
| History | |
| Development | |
| Time period | ~800 to present |
| Descendants | Đđ |
| Sisters | None |
| Transliteration equivalents | d |
| Variations | (See below) |
| Other | |
| Other letters commonly used with | th, dh |
Eth (/ɛð/, uppercase: Ð, lowercase: ð; also spelled edh or eð), known as ðæt in Old English,[1] is a letter used in Old English, Middle English, Icelandic, Faroese (in which it is called edd), and Elfdalian.
It was also used in Scandinavia during the Middle Ages, but was subsequently replaced with dh, and later d.
It is often transliterated as d.
The lowercase version has been adopted to represent a voiced dental fricative in the International Phonetic Alphabet.
Old English[edit]
In Old English, ð (called ðæt) was used interchangeably with þ to represent the Old English dental fricative phoneme /θ/ or its allophone /ð/, which exist in modern English phonology as the voiced and voiceless dental fricatives both now spelled "th".
Unlike the runic letter þ, ð is a modified Roman letter. Neither ð nor þ were found in the earliest records of Old English. A study of Mercian royal diplomas found that ð (along with đ) began to emerge in the early 8th century, with ð becoming strongly preferred by the 780s.[2] Another source indicates that the letter is "derived from Irish writing".[3]
Under King Ælfred the Great, þ grew greatly in popularity and started to overtake ð. Þ completely overtook ð by Middle English, and þ died out by Early Modern English, mostly due to the rise of the printing press, and was replaced by the digraph th.
Lower case version[edit]
The lowercase (minuscule) version has retained the curved shape of a medieval scribe's d, which d itself in general has not.
Icelandic[edit]
In Icelandic, ð, called "eð", represents a voiced dental fricative [ð], which is the same as the th in English that, but it never appears as the first letter of a word. At the end of words as well as within words when it's followed by a voiceless consonant, ð is devoiced to [θ̠]. The ð in the name of the letter is devoiced in the Nominative and Accusative cases [ɛθ̠]. In the Icelandic alphabet, ð follows d.
Faroese[edit]
In Faroese, ð is not assigned to any particular phoneme and appears mostly for etymological reasons, but it indicates most glides. When ð appears before r, it is in a few words pronounced [ɡ]. In the Faroese alphabet, ð follows d.
In Olav Jakobsen Høyem's version of Nynorsk based on Trøndersk, ð was always silent, and was introduced for etymological reasons.
Welsh[edit]
Ð has also been used by some in written Welsh to represent /ð/, which is normally represented as dd.[4]
Khmer[edit]
Ð used in Khmer romanization, e.g. preðh riðciðnaacak kampucið (Kingdom of Cambodia).
Phonetic transcription[edit]
U+1D9E ᶞ MODIFIER LETTER SMALL ETH is used in phonetic transcription.[5]
U+1D06 ᴆ LATIN LETTER SMALL CAPITAL ETH is used in the Uralic Phonetic Alphabet.[6]
Computer input[edit]
The Faroese and Icelandic keyboard layouts have a dedicated button for eth.
On Microsoft Windows, eth can be typed using the alt code Alt+(0240) for lowercase or Alt+(0208) for uppercase, or by typing AltGr+d using the US International keyboard layout. On Windows 10, it can also be inserted into text via the symbol menu, presented by using Windows+;, then selecting Symbols, associated with the Omega (Ω) character, and then selecting Latin Symbols, associated with the C-cedilla (Ç) character.
On macOS, eth can be typed by activating the ABC Extended keyboard layout and typing ⌥ Option+D.
Using the compose key ("multi key") which is popular on Linux, eth can be typed by typing Compose D H for lowercase or Compose ⇧ Shift+D ⇧ Shift+H for capital letters.
On Chrome OS with 'extended keyboard' Chrome extension, AltGr+D will result in ð being displayed; ⇧ Shift+AltGr+D will result in Ð.
Other[edit]
| System | Uppercase | Lowercase |
|---|---|---|
| Unicode | U+00D0 | U+00F0 |
| HTML | Ð |
ð
|
| TeX/LaTeX | \DH |
\dh
|
| GTK | Ctrl+⇧ Shift+U D0 ↵ Enter | Ctrl+⇧ Shift+U F0 ↵ Enter |
| Vim[7] | Ctrl+K ⇧ Shift+D - | Ctrl+K D - |
Modern uses[edit]
- The letter ð is sometimes used in mathematics and engineering textbooks, as a symbol for a spin-weighted partial derivative.
This operator gives rise to spin-weighted spherical harmonics.
See also[edit]
References[edit]
- ^ Marsden, Richard (2004). The Cambridge Old English Reader. Cambridge University Press. p. xxix.
- ^ Shaw, Philip (2013). "Adapting the Roman alphabet for writing Old English: evidence from coin epigraphy and single-sheet charters". Early Medieval Europe. 21 (2): 115–139. doi:10.1111/emed.12012.
- ^ Freeborn, Dennis (1992). From Old English to Standard English. London: Macmillan. p. 24. ISBN 9780776604695.
- ^ Testament Newydd (1567) [The 1567 New Testament].
- ^ Constable, Peter (2004-04-19). "L2/04-132 Proposal to add additional phonetic characters to the UCS" (PDF).
- ^ Everson, Michael; et al. (2002-03-20). "L2/02-141: Uralic Phonetic Alphabet characters for the UCS" (PDF).
- ^ "Vim documentation: digraph".
- ^ "README.md". Dogecoin Integration/Staging Tree (Source code). February 5, 2014. Retrieved 17 February 2014.
Further reading[edit]
- Ladefoged, Peter; Maddieson, Ian (1996). The Sounds of the World's Languages. Oxford: Blackwell. ISBN 978-0-631-19815-4.
- Pétursson, Magnus (1971), "Étude de la réalisation des consonnes islandaises þ, ð, s, dans la prononciation d'un sujet islandais à partir de la radiocinématographie" [Study of the realisation of Icelandic consonants þ, ð, s, in the pronunciation of an Icelandic subject from radiocinematography], Phonetica, 33 (4): 203–216, doi:10.1159/000259344, S2CID 145316121
External links[edit]
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Wikimedia Commons has media related to Ð. |
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Look up eth in Wiktionary, the free dictionary. |
- "Thorn and eth: how to get them right", Operinan, Briem, archived from the original on 2019-07-26, retrieved 2010-08-22
- "Älvdalsk ortografi", Förslag till en enhetlig stavning för älvdalska (PDF) (in Swedish), February 2007, archived from the original on February 6, 2007CS1 maint: unfit URL (link).