<human>:  What is the origin of the word ‘complication’?
<bot>: The word “complication” comes from the Latin word “complicatio” which means a tangle. In medicine, a complication is a problem that arises during a medical procedure or treatment. For example, a complication could be a problem with a surgical procedure, such as a bleeding problem, or an infection. A complication could also be a problem with a medication, such as a side effect.