abbreviation for
Operating Thetan: a being "at
cause over
matter,
energy,
space,
time,
form and
life."
Operating comes from "able to operate without dependency on things," and
thetan is the Greek letter
theta (0?-n), which the Greeks used to represent
thought or perhaps
spirit, to which an n is added to make a
noun in the modern
style used to
create words in
engineering. It is also 0?-n or "
theta to the nth degree," meaning unlimited or
vast.
—Your Scientology Organizations Approved 4.3.91, —ESTO - Handling Personnel, Part I Approved Glossary