sematology
noun
- the branch of knowledge concerned with signs, esp. in relation to thought and knowledge; the study of signs; semiotics
- the study or description of meaning in language; semantics (Now rare)
- the art of interpretation by signs (Obsolete. rare)
Wiktionary
noun
Etymology: From Ancient Greek σῆμα (sêma, “mark, sign”) + Ancient Greek -λογία (-logía, “-logy, branch of study”).
- The science of signs, particularly of verbal signs, in the operation of thinking and reasoning; the science of language as expressed by signs.