omniscient

the word 'omniscient' is a direct borrowing from medieval latin 'omniscient-', the stem of 'omnisciens', which itself is a compound of the latin elements 'omni-' (all) and 'scient-' (knowing). the root 'scire' (to know) is of uncertain proto-indo-european origin but is foundational in latin for knowledge-related terms. the literal meaning 'all-knowing' was originally and remains primarily a theological attribute describing a deity's infinite awareness. over time, its use expanded into secular contexts to describe a narrative perspective or a person with seemingly total knowledge in a particular domain, though often with a hint of hyperbole.

Structure: omni (all) + scient (knowing) omni (latin origin, meaning 'all', a combining form); scient (latin origin, from the present participle stem of 'scire', meaning 'to know')