atrasado
/atɾaˈsado/ · B2 · adj
belated, tardy, delayed
🐢⏰ a + tras (behind) + -ado = set behind, so late or lagging
Spanish tras means behind, as in detrás. The verb atrasar is to set back or delay, and atrasado is what has been set back: a late train, an overdue payment, or a place that is behind the times.