semiology

noun

Etymology: From New Latin semaeologia, from Ancient Greek σημεῖον (sēmeîon, “sign”) + -logia (“-logy”). By surface analysis, semio- + -logy.

1. Semiotics, the study of signs.
2. The science of the signs or symptoms of disease; symptomatology.
3. The art of using signs in signalling.
4. The symptom expression of an epileptic seizure.