Lewis Short
(adjective) : perpessīcĭus or -tĭus, a, um, perpetior
* That can endure much, that has endured much, patient, enduring (postAug.): etiam a duro et perpessicio confessionem accipit,Sen. Ep. 53, 6: Socrates perpessicius senex,id. ib. 104, 27.
Charlton T. Lewis, Charles Short, A Latin Dictionary