A person who is abstemious is someone who is moderate in their consumption of alcohol, and is also someone who eats very little or is careful about what they eat. It can also be used to describe someone who is generally self-disciplined and avoids overindulgence or excess in any aspect of their life. It is often used to describe someone who is ascetic or has a simple and moderate lifestyle. The term has its roots in the Latin word "abstinēre" which means "to abstain from" or "to hold oneself back from." The term implies a certain level of self-control, discipline, and restraint.