iluminación
/iluminaˈθjon/ · B2 · noun · f
light
💡 iluminación = ilumin(ar) 'light up' + -ción 'the act of' (like illumination)
From Latin illuminare, 'to light up': in- 'into' + lumen 'light'. The Spanish -ción ending matches English -tion, so iluminación mirrors illumination. Link it to related words: luminoso, lumen, luminary.