exitial

From Latin exitialis, exitious, from exitium (“a going out”).

exitial (comparative more exitial, superlative most exitial)

1. (obsolete) destructive; fatal
   • 1672, Gideon Harvey, Morbus Anglicus, Or, The Anatomy of Consumptions:

     exitial fevers

• exitious

• “exitial”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.