My cousin is an ovo vegetarian, ovo is latin for egg!
Interesting. Does your cousin eat dairy products? I believe that is a lacto vegetarian.
Ovo vegetarianism
Ovo vegetarianism is a type of vegetarianism which allows for the consumption of eggs but not dairy products, in contrast with lacto vegetarianism. Those who practice ovo vegetarianism are called ovo-vegetarians or "eggetarians". "Ovo" comes from the Latin word for egg.
Motivations.
Ethical motivations for excluding dairy products are based on issues with the industrial practices behind the production of milk. Concerns include the practice of keeping a cow constantly pregnant in order for her to lactate and the slaughter of unwanted male
Ovo-lacto vegetarianism
An ovo-lacto vegetarian or lacto-ovo vegetarian is a vegetarian who consumes some animal products, such as eggs and dairy. Unlike pescatarians, they do not consume fish or other seafood. A typical ovo-lacto vegetarian diet may include fruits, vegetables, grains, nuts, seeds, herbs, roots, fungi, milk, cheese, yogurt, kefir, and eggs.
Etymology.
The terminology stems from the Latin "" meaning "milk" (as in 'lactation'