'Tautoousian' definitions:

Definition of 'Tautoousian'

From: GCIDE

Tautoousian \Tau`to*ou"si*an\, Tautoousious \Tau`to*ou"si*ous\, a. [Gr. ?; ?, for ? ? the same + ? being, essence.] Having the same essence; being identically of the same nature. [R.] --Cudworth. [1913 Webster]