obstination
/ˌɒbstɪnɪˈneɪʃn/noun
Obstinacy; perversity; obduracy.
Origin
Late Middle English. From Middle French, French obstination and its etymon classical Latin obstinātiōn-, obstinātiō pertinacity, obstinacy, stubbornness from obstināt-, past participial stem of obstināre + -iō.