Coptic and Demotic are grammatically closely related to Late Egyptian, which was written with Egyptian hieroglyphs. Coptic flourished as a literary language from the 2nd to 13th centuries, and its Bohairic dialect continues to be the liturgical language of the Coptic Orthodox Church of Alexandria. It was supplanted by Egyptian Arabic as a spoken language toward the early modern period, but language revitalization efforts have been underway since the 19th century.
The native Coptic name for the language is ϯⲙⲉⲧⲣⲉⲙⲛ̀ⲭⲏⲙⲓ /ti-met-rem-en-kʰeː-mi/ in the Bohairic (Delta) dialect, ⲧⲙⲛ̄ⲧⲣⲙ̄ⲛ̄ⲕⲏⲙⲉ /t-ment-rem-en-kiː-me/ in the Sahidic (Valley) dialect. The particle prefix me(n)t- from the verb ⲙⲟⲩϯ mouti ('to speak') forms all abstract nouns in Coptic (not only those pertaining to "language"). The term remenkhēmi/remenkēme meaning 'Egyptian', literally 'person of Egypt', is a compound of rem-, which is the construct state of the Coptic noun ⲣⲱⲙⲓ/ⲣⲱⲙⲉ, 'man, human being', + the genitive preposition (e)n- 'of' + the word for 'Egypt', ⲭⲏⲙⲓ/ⲕⲏⲙⲉ khēmi/kēme (cf. Kemet). Thus, the whole expression literally means 'language of the people of Egypt', or simply 'Egyptian language'.
Another name by which the language has been called is ⲧⲙⲛ̄ⲧⲕⲩⲡⲧⲁⲓⲟⲛ /timentkuptaion/ from the Copto-Greek form ⲧⲙⲛ̄ⲧⲁⲓⲅⲩⲡⲧⲓⲟⲛ /timentaiguption/ ('Egyptian language'). The term logos ən aiguptios ('Egyptian language') is also attested in Sahidic, but logos and aiguptios are both Greek in origin. In the liturgy of the Coptic Orthodox Church of Alexandria, the name is more officially ϯⲁⲥⲡⲓ ⲛ̀ⲣⲉⲙⲛ̀ⲭⲏⲙⲓ ti aspi ən rem ən kēmi, 'the Egyptian language', aspi being the Egyptian word for language.
Coptic is today spoken liturgically in the Coptic Orthodox and Coptic Catholic Church (along with Modern Standard Arabic). The language is spoken only in Egypt and historically has had little influence outside of the territory, except for monasteries located in Nubia. Coptic's most noticeable linguistic impact has been on the various dialects of Egyptian Arabic, which is characterized by a Coptic substratum in lexical, morphological, syntactical, and phonological features.