The Spanish word 'decoración' (meaning 'decoration') traces back to Latin roots. It starts with the Latin noun 'decus' meaning 'ornament' or 'dignity'. From this, the Latin verb 'decorare' ('to decorate') was formed, which then gave rise to both the Latin noun 'decoratio' ('decoration') and the Spanish verb 'decorar' ('to decorate'). The modern Spanish word 'decoración' combines 'decorar' with the suffix '-ción' (which forms nouns indicating an action or process, similar to English '-tion').

A simpler related Spanish word is the verb 'decorar' meaning 'to decorate'. This is a more basic form that Spanish learners often encounter first. While 'decorar' refers to the action of decorating or adorning something, 'decoración' refers to either the act of decorating or the decorations themselves.

English speakers will find several familiar cognates: 'decorate', 'decoration', and 'decor'. All of these words share the same Latin ancestry with 'decoración'. The similarity in both form and meaning makes this an easy word for English speakers to remember. Even the word 'decent' is distantly related, as it comes from the same Latin root 'decus' (meaning dignity or honor), though its meaning has evolved differently.