diuturnus

Etymology
From.

Adjective

 * 1) long-lasting
 * 2) * Quintus Curtius Rufus, Historiae Alexandri Magni; VIII, 8, 11
 * Non est diuturna possessio in quam gladio ducimus; beneficiorum gratia sempiterna est.
 * That possession which we gain by the sword is not lasting; gratitude for benefits is eternal.
 * That possession which we gain by the sword is not lasting; gratitude for benefits is eternal.