Wiktionary
n. (plural of dead language English)
Usage examples of "dead languages".
There were but few books anywhere, in that day, and only the well-to-do and highly educated possessed them, they being almost confined to the dead languages.
Certainly in the case of dead languages no scholar can ever reach the full position of a native with regard to the purely notional side of the language he studies, nor possess and feel all the undercurrents of connotation from period to period which words possess.
But what I say now, as I said at the beginning, is that Latin and Greek are dead languages.
And branches of languages and dead languages and forgotten dead languages.
Though there had been that time in Mulhorand when he and Golsway had recovered the Orb of Auras, which had contained a codex that had given scholars clues into one of the dead languages contained in that country.