Proteisticadj.
Origin: From a proper name, combined with an English element. Etymons: proper name Proteus , -istic suffix.
Etymology: < the name of Proteus (see Proteus n.) + -istic suffix.
rare.
1921 July 146 The new proteistic shape of the defeated Guelfs swept away the old ‘Right’.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).