The Spanish word 'espejado' (meaning 'mirrored') comes from the verb 'espejar' (meaning 'to mirror'), which itself derives from the noun 'espejo' (meaning 'mirror'). 'Espejo' can be traced back to the Latin word 'speculum', meaning 'mirror'. The ending '-ado' is the past participle suffix in Spanish, similar to '-ed' in English, which transforms the verb 'espejar' into the adjective 'espejado'.

The evolution from Latin 'speculum' to Spanish 'espejo' shows some typical sound changes that occurred as Latin evolved into Spanish: the initial 's' before a consonant developed into 'es-', and the internal '-c-' became '-j-' (with its modern Spanish pronunciation).

Some related and simpler Spanish words include 'espejo' (mirror) and 'espejar' (to mirror). These words are part of the same word family and are more commonly used in everyday Spanish. Another related word is 'espejismo' (mirage), which makes sense semantically as a mirage is like a mirror-like reflection in the air.

The Latin root 'speculum' has given English several related words, including 'speculum' (a medical instrument used for examining cavities), 'spectacle' (something to look at), and 'spectator' (someone who looks at something). While these words might seem different from 'espejado' at first glance, they all share the basic concept of viewing or reflecting. The word 'specimen' (something to look at or examine) also comes from this same Latin root.