r n km.t
|Sú-iōng tē-khu||Originally, throughout Ancient Egypt and parts of Nubia (especially during the times of the Nubian kingdoms)|
|Era||Late fourth millennium BC – 19th century AD (with the extinction of Coptic); still used as the liturgical language of the Coptic Orthodox and Coptic Catholic churches|
|ho̍k-heng||Revitalisation efforts have been taking place since the 19th century|
|hieroglyphs, cursive hieroglyphs, hieratic, demotic and Coptic (later, occasionally, Arabic script in government translations and Latin script in scholars' transliterations and several hieroglyphic dictionaries)|
- Erman, Adolf; Grapow, Hermann, Wörterbuch der ägyptischen Sprache, Akademie-Verlag, Berlin, 1926–1961. ISBN 3050022647.
- "Ancient Sudan~ Nubia: Writing: The Basic Languages of Christian Nubia: Greek, Coptic, Old Nubian, and Arabic". www.ancientsudan.org. 2017-03-09 khòaⁿ--ê.
- The language may have survived in isolated pockets in Upper Egypt as late as the 19th century, according to James Edward Quibell, "When did Coptic become extinct?" in Zeitschrift für ägyptische Sprache und Altertumskunde, 39 (1901), p. 87. In the village of Pi-Solsel (Az-Zayniyyah or El Zenya north of Luxor), passive speakers were recorded as late as the 1930s, and traces of traditional vernacular Coptic reported to exist in other places such as Abydos and Dendera, see Werner Vycichl, Pi-Solsel, ein Dorf mit koptischer Überlieferung in: Mitteilungen des Deutschen Archäologischen Instituts, Abteilung Kairo, (MDAIK) vol. 6, 1936, pp. 169–175 (in German).
- (Allen 2000, p. 2)
- (Loprieno 1995, p. 8)