 It was supplanted by Egyptian Arabic as a spoken language toward the early modern period, but language revitalisation efforts have been underway since the 19th century.The native Coptic name for the language is in the Bohairic (Delta) dialect and in the Sahidic (Valley) dialect.The particle prefix "me(n)t-" from the verb "moudi" ('to speak') forms many abstract nouns in Coptic (not only those pertaining to "language").