The Spanish word 'ocre' (meaning 'ocher', a yellow-brown pigment) traces its origins back to Ancient Greek through Latin. It comes from the Greek word 'ōkhrós' (ὠχρός) which meant 'yellow'. This Greek word was borrowed into Latin as 'ochra', meaning 'yellow earth' or 'ocher', referring to the natural clay earth pigment. The word then passed into Spanish as 'ocre', maintaining its meaning as the yellowish-brown colored pigment that has been used in art and decoration since ancient times.

While 'ocre' itself is a relatively simple and common Spanish word for this color and pigment, there aren't many commonly used Spanish words that share its Greek-Latin etymology. However, you might encounter it in compound words or technical terms related to art and pigments.

English speakers might recognize this word's connection to 'ochre' or 'ocher', which comes from the same Greek and Latin roots. The English and Spanish words are very similar in both pronunciation and meaning, both referring to the earthy yellow-brown pigment. This similarity can help English speakers remember the Spanish word 'ocre'.