the.com/argot
A private language built less to communicate than to keep you out.
means Specialized slang or jargon used by a particular group, often to exclude or obscure meaning from outsiders.
from From 19th-century French, originally naming the secret tongue of thieves and beggars before going respectable.
Criminal rootsFirst described the coded speech of French underworld gangs.
Built to hideDesigned to confuse eavesdroppers, not just label things.
Versus jargonJargon clarifies for insiders; argot conceals from outsiders.