The Spanish word 'diana' comes from Latin 'Diana', the name of the Roman goddess of hunting. The Latin name itself was formed by combining 'divus' meaning 'deity' with the feminine relational suffix '-ana'. This combination literally meant something like 'the divine one (feminine)' or 'she who is divine'.

In Spanish, 'diana' maintains its connection to the Roman goddess, though it has also developed some extended meanings related to early morning (as Diana was associated with the moon and dawn) and target shooting (connecting to her role as goddess of hunting).

The Spanish word 'divino/divina' (meaning 'divine') is related to 'diana' as they both trace back to the Latin root 'divus' meaning 'deity'. While 'divino' maintained the general meaning of 'divine' or 'heavenly', 'diana' specialized to refer specifically to the goddess Diana and concepts associated with her.

The English name 'Diana' is directly related to Spanish 'diana', as both come from the Latin goddess name. English also has related words like 'divine' and 'deity', which share the same Latin ancestor 'divus'. The connection between these words helps show how concepts of divinity and godhood were expressed in ancient Rome and carried forward into modern languages.