insistir
/insisˈtiɾ/ · A2 · verb
to insist
insistir = in + sistere (Latin: to stand firm on) — same root as English insist
From Latin insistere: in (on) + sistere (to stand). To insist is to stand on your point and not move. The Spanish verb is a near-twin of English insist, just with the -ir verb ending: insist + ir.