Early 19th century; earliest use found in Samuel Taylor Coleridge (1772–1834), poet, critic, and philosopher. From tauto- + -egory, after tautegorical.
Definition of tautegory in US English:
tautegory
nounˈtɔːtɪɡ(ə)ri
A tautegorical symbol or expression.
Origin
Early 19th century; earliest use found in Samuel Taylor Coleridge (1772–1834), poet, critic, and philosopher. From tauto- + -egory, after tautegorical.