Persist

google

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mid 16th century: from Latin persistere, from per- ‘through, steadfastly’ + sistere ‘to stand’.

wiktionary

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From Middle French persister (Modern French persister), from Latin persistere, from per- + sistere(“to stand”)

etymonline

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persist (v.)

"continue steadily and firmly in some state or course of action," especially in spite of opposition or remonstrance; "persevere obstinately," 1530s, from French persister (14c.), from Latin persistere "abide, continue steadfastly," from per "thoroughly" (from PIE root *per- (1) "forward," hence "through") + sistere "come to stand, cause to stand still" (from PIE *si-st-, reduplicated form of root *sta- "to stand, make or be firm"). Related: Persisted; persisting.