Pâli
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) A dialect descended from Sanskrit, and like that, a dead language, except when used as the sacred language of the Buddhist religion in Farther India, etc.
(2): ( pl.) of Palus
(3): ( n.) pl. of Palus.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
(a corruption of the Sanscrit Prakrit, q.v.) is the name of the sacred language of the Buddhists. Its origin must be sought for in one or several of the popular dialects of ancient India, which are comprised under the general name of Prakrit, and stand in a similar relation to Sanscrit as the Romance languages, in their earlier period, to Latin. (See Sanscrit).
The Nuttall Encyclopedia [3]
The sacred language of the Buddhists, once a living language, but, like Sanskrit, no longer spoken.