from The Century Dictionary and Cyclopedia
- n. Rigorism, especially in a mild form.
Sorry, no etymologies found.
The Church has always taught as much; moral theologians call it "tutiorism", i.e., the principle that it's best to be on the safer tutior side.
Now (3) is one thesis of that venerable theory in moral theology which is known as "tutiorism": when in doubt, do the safer (tutior) thing.
Sacramentum Vitae: Why tutiorism is now unsafe skip to main
It was actually the standard view among Catholic theologians for that time; and even today, tutiorism might be safer than some of the alternatives for non-Catholics.