inscrutable
UK[ɪnˈskruːtəbl]US[ɪnˈskruːtəbl]
adj
impossible to understand or interpret; impenetrable to scrutiny.
Morpheme Breakdown
in
scrut
able
in
not
scrut
examine
able
capable of
Etymology
the word inscrutable is built from latin components. the prefix "in-" negates the core concept, while the root "scrut-" originates from the latin verb scrutari, meaning to search or examine carefully, which itself may be related to scruta, meaning "trash" or "rags", metaphorically implying a rummaging through. the suffix "-able" indicates a quality or capacity. therefore, the literal construction yields "not capable of being examined or searched". this evolved from a physical sense of being unsearchable to its modern abstract meaning, describing something so mysterious or enigmatic that its nature cannot be penetrated by mental inquiry.
Analysis
Structure: in (not) + scrut (examine) + able (capable of)
- in: a latin prefix meaning "not".
- scrut: from latin scrutari, meaning "to examine, search, or investigate".
- able: a latin-derived suffix forming adjectives meaning "capable of, fit for, or tending to".
Examples
the ancient artifact bore an inscrutable inscription that baffled linguists for decades.
she maintained an inscrutable expression throughout the negotiation, revealing nothing of her thoughts.
the motives behind his sudden resignation remain inscrutable to his colleagues.