extant

Etymology

First attested in 1545, from Latin extantem, extāns, present participle of extō, from ex- (“out”) + stō (“stand”).

adj

1. Still in existence; not having disappeared.
   extant manuscripts of the Old Testament
   During the whole time of his abode in the university he generally spent thirteen hours of the day in study; by which assiduity besides an exact dispatch of the whole course of philosophy, he read over in a manner all classic authors that are extant[…] 1661, John Fell, The Life of the most learned, reverend and pious Dr. H. Hammond
   There are many narrow-gauge systems still extant. 1948 May and June, J. Macartney Robbins, “A Railway Tour of Ireland”, in Railway Magazine, page 150
2. Still alive; not extinct.
   extant birds
3. (obsolete) Standing out, or above the rest.