Layperson
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A layperson or layman is a person who is not an expert in a given field of knowledge. Originally, the term signified a member of the laity, i.e., a non-clergyman.[1]
The concept of describing something "in layman's terms" has come into wide use in the English-speaking world. To put something in layman's terms is to describe a complex or technical issue using words that the average person (so that someone without professional training in the subject area) can understand.
Etymology [edit]
Laity means "common people"; the English word "laity" comes from the Greek laik'l, which meant "of the people" or "common" (i.e. unholy, unclean). The related Greek verb laikoô meant "to make common or desecrate".
