The Spanish word 'memoria' (meaning 'memory') comes directly from the Latin word 'memoria' with the same meaning. The Latin word was formed by combining the root 'memor' (meaning 'mindful' or 'remembering') with the suffix '-ia', which was used to form abstract nouns. This combination created a word that refers to the concept or faculty of remembering.

Some related Spanish words include 'memorable' (memorable), 'memorizar' (to memorize), and 'memorando' (memorandum). All these words share the same Latin root 'memor' and relate to memory and remembering.

English speakers will recognize many cognates from this same Latin root, including 'memory', 'memorable', 'memorize', 'memorial', and 'memo'. The English word 'memory' is particularly close to the Spanish 'memoria', as both descended from the same Latin word and maintained very similar spelling and identical meaning.