Webster’s Revised Unabridged Dictionary · 1913
Scepsis
Scep′sis, n. [NL., from Gr. ? doubt, fr. ? to consider: cf. G. skepsis. See Skeptic.] Skepticism; skeptical philosophy. [R.]
Among their products were the system of Locke, the scepsis of Hume, the critical philosophy of Kant. J. Martineau.