semiotics

Etymology

Coined by John Locke from Ancient Greek σημειωτικός (sēmeiōtikós, “fitted for marking, portending”), from σημειόω (sēmeióō, “to mark, interpret as a portend”), from σημεῖον (sēmeîon, “a mark, sign, token”), from σῆμα (sêma, “mark, sign”).

noun

  1. The study of signs and symbols, especially as means of language or communication.
    Holonym: social science
  2. (dated) The study of medical signs and symptoms; symptomatology.

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