The Spanish word 'barita' (meaning barite, a mineral) comes from combining 'bario' (barium) with the suffix '-ita' (which forms names of substances). The word 'bario' itself traces back to the Ancient Greek word 'βαρύς' (barys) meaning 'heavy'. This etymology reflects barite's nature as a heavy mineral containing barium.

A simpler related Spanish word is 'bario' (barium), which refers to the metallic element. Both 'barita' and 'bario' share the same Greek root meaning 'heavy', which is fitting since barium and its compounds like barite are known for their high density.

The English words 'baryta' and 'barite' are cognates of Spanish 'barita', all ultimately derived from the Greek word for 'heavy'. The English word 'barium' is also related, sharing the same Greek ancestor. These words maintain a connection to the original meaning of 'heavy', as barium is one of the heavier common metals, and barite is notably dense for a non-metallic mineral.