The Collaborative International Dictionary of English v.0.48:
Ensphere \En*sphere"\, v. t. [Pref. en- + sphere. Cf. Insphere.] 1. To place in a sphere; to envelop. [1913 Webster] His ample shoulders in a cloud ensphered. --Chapman. [1913 Webster] 2. To form into a sphere. [1913 Webster]