👉 Periarthric is a term in the context of medicine, specifically pertaining to the condition where a person has a reduced ability to breathe due to a defect or injury in their lungs. The term was first coined by Charles Darwin in his book "On the Origin of Species" in 1859 and later adopted by medical practitioners as a clinical term for conditions that affect breathing. In essence, periarthric refers to an inability to take in sufficient air to meet the body's oxygen