The next 1,920 characters, U+0080 to U+07FF (encompassing the remainder of almost all Latin alphabets, and also Greek, Cyrillic, Coptic, Armenian, Hebrew, Arabic, Syriac, Tāna and N'Ko), requires 16 bits to encode in both UTF-8 and UTF-16, and 32 bits in UTF-32.
The Coptic alphabet in turn had a strong influence on the Cyrillic script.
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--Please give approximate date the hieroglyphs could no longer be read or deciphered. Which century?--> and were replaced by the Coptic and Arabic alphabets.