The Spanish word 'cotorreo' meaning 'chattering' or 'idle talk' comes from the Spanish word 'cotorro' (parrot) combined with the noun suffix '-eo'. This is a very intuitive formation, as parrots are known for their constant chattering and vocal nature. The suffix '-eo' is used to form nouns that describe an action or process, so 'cotorreo' literally refers to 'parrot-like chattering' or 'talking like a parrot'.

A simpler related Spanish word is 'cotorro' (parrot), which is more commonly known to Spanish learners. You can easily remember 'cotorreo' by thinking about how parrots (cotorros) are known for their constant chattering. There's also the related word 'cotorra' which can mean both a female parrot and a chatty person, showing how Spanish makes this same connection between parrots and excessive talking.

While there aren't direct English cognates for 'cotorreo', English speakers make similar associations between parrots and excessive talking, as seen in phrases like 'to parrot something' (to mindlessly repeat) or calling someone 'a chatterbox'. The concept of comparing talkative people to parrots appears in many languages, showing how this is a widely recognized metaphor.