restaurar
/restauˈɾaɾ/ · B2 · verb
to restore, to renovate
🏛️🛠️ re + staurar (from Latin instaurare) = set up again, rebuild the old way
Sounds like restaurant minus the end: a restaurant was originally a place that restores you with food. Restaurar likewise means to bring something back to its good original state, like renovating an old building or artwork.