exsuperābilis (exuperābilis), e (exsupero), I) überwindlich, non exs. saxum (des Sisyphus), Verg. georg. 3, 39: nec exs. Diris ingenium, Stat. Theb. 1, 214. – II) überwindend, siegbringend, Claud. Quadrig. ann. 1. fr. 7 (b. Gell. 17, 2, 14), wo Mommsen ohne Not exsuper habilem lesen will.
http://www.zeno.org/Georges-1913. 1806–1895.
Exuperable — Ex*u per*a*ble, a. [L. exuperabilis, exsuperabilis. See {Exuperate}.] Surmountable; superable. [Obs.] Johnson. [1913 Webster] … The Collaborative International Dictionary of English
Inexsuperable — In ex*su per*a*ble, a. [L. inexsuperabilis; pref. in not + exsuperabilis that may be surmounted. See {In } not, {Ex }, and {Superable}.] Not capable of being passed over; insuperable; insurmountable. [1913 Webster] … The Collaborative International Dictionary of English
