- perseveration (n.)
[perseveration 词源字典]
- early 15c., "duration, quality of persisting; will to persevere," from Old French perseveracion "persistence, stubbornness" (13c.) and directly, from Latin perseverationem (nominative perseveratio), noun of action from past participle stem of perseverare (see persevere). Psychological sense (1915) is from German.[perseveration etymology, perseveration origin, 英语词源]