The Spanish word 'igualado' comes from the verb 'igualar' meaning 'to make equal', which itself derives from the adjective 'igual' (equal). The word 'igual' can be traced back to the Latin word 'aequalis' meaning 'equal', which comes from the Latin root 'aequus' meaning 'equal, level, or just'. The '-ado' ending is the past participle suffix in Spanish, similar to '-ed' in English, making 'igualado' mean 'made equal' or 'equalized'.

Some common related Spanish words include the simpler form 'igual' (equal, same), which you'll often hear in phrases like 'es igual' (it's the same) or 'igual que' (same as). Another everyday word is 'igualdad' meaning 'equality'. These all share the core meaning of equality or sameness from their Latin ancestor.

English speakers might recognize the connection to words like 'equal', 'equality', and 'equalize', which all come from the same Latin root 'aequus'. The English words maintained a spelling closer to the original Latin, while the Spanish words underwent a transformation where 'aequ-' evolved into 'igu-'. Despite the different spelling, you can hear the similar sound patterns between 'igual' and 'equal'.