arruinar
/arwiˈnaɾ/ · A2 · verb
to ruin
🏚️ arruinar = a + ruina (ruin) + -ar: to bring to ruin
Built on ruina, the same Latin root as English ruin (ruere, to collapse). Strip the a- prefix and the -ar verb ending and the English word is sitting right there: a-RUIN-ar.