The Spanish word 'sulfamida' (meaning sulfonamide, a type of antibiotic) is a compound word formed from two parts: the Latin word 'sulphur' meaning 'sulfur', and the Spanish word 'amida' which comes from the French 'amide'. This scientific term was created to name a class of chemical compounds containing both sulfur and amide groups, which were discovered to have antimicrobial properties in the 1930s.

Some related simpler Spanish words include 'sulfuro' (sulfide), 'sulfato' (sulfate), and 'azufre' (sulfur). All of these words share the Latin root 'sulphur' and are commonly used in chemistry-related contexts.

English speakers might recognize the connection to words like 'sulfur/sulphur', 'sulfa' (as in sulfa drugs), and 'amide'. The term 'sulfonamide' is actually the direct English equivalent of 'sulfamida'. These scientific terms maintain very similar forms across languages because they were internationally standardized when these compounds were first discovered and named.