The Spanish word 'rizado' (meaning 'curled') comes from the verb 'rizar' (meaning 'to curl'), which in turn derives from the noun 'rizo' (meaning 'curl'). The word can be traced back to the Latin word 'ericius', meaning 'hedgehog'. This etymology makes intuitive sense when you think about a hedgehog's spiky, curled-up appearance! The ending '-ado' is the past participle suffix in Spanish, similar to '-ed' in English, making 'rizado' mean 'curled' or 'curly'.

Some related and simpler Spanish words include 'rizo' (curl, ringlet) and the verb 'rizar' (to curl). If you know these basic forms, it's easier to understand that 'rizado' is just describing something that has been curled or made curly.

While there aren't many common English words directly related to 'rizado', it's interesting to note that the word 'erinaceous', meaning 'of or relating to hedgehogs', comes from the same Latin root 'ericius'. Though 'erinaceous' is a rare word in English, it helps show how the concept of something spiky or curled relates back to the hedgehog connection!