... not sure about the source, but it's a great word.

My mum always said that the best way to get a new word into your vocabulary was to use it. She recommended five times for a permanent synaptic lock.

Tomorrow I must teach a class to budding liturgists in the morning and write two sermons in the afternoon. I'm not sure how sprezzatura is going to relate to any of the three, but there is a very good chance that it will find its way into all of them.