The Spanish word 'importante' (meaning 'important') comes from the Latin word 'importans', which was derived from the verb 'importare' meaning 'to bring in' or 'import'. The Latin 'importare' itself was formed by combining two parts: the prefix 'in-' meaning 'into, within' and the verb 'portare' meaning 'to carry'.

The evolution from 'bringing in' to 'important' makes sense when you think about how something that is 'brought in' or 'imported' often had special significance or value in ancient times. The Spanish word maintains the present participle form with the suffix '-nte', similar to how English uses '-ant' or '-ent'.

Several common Spanish words share the same Latin root 'portare' (to carry): 'portar' (to carry, bear), 'deportar' (to deport), 'exportar' (to export), 'reportar' (to report), and 'transportar' (to transport). All these words involve the concept of carrying or moving something from one place to another.

The English word 'important' is a direct cognate of Spanish 'importante', both coming from the same Latin source. Other related English words include 'import', 'portable', 'porter' (one who carries), 'port' (a harbor where things are brought in), 'export', 'transport', and 'report' - all of which contain the Latin root 'portare' meaning 'to carry'.