scepsisn.
Etymology: < Greek σκέψις inquiry, hesitation, doubt, < σκέπ-τεσθαι : see sceptic adj. and n.
the mind > mental capacity > philosophy > scepticism > [noun]
1876 J. Martineau (1891) IV. 94 Among their products were the system of Locke, the scepsis of Hume, the critical philosophy of Kant.
This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2018).