Carries out a systematic inquiry or examination to discover facts or gather information about something. The third person singular present form of investigate.
From Latin 'investigatus', past participle of 'investigare', meaning 'to track down' or 'search into'. Formed from 'in-' (into) + 'vestigium' (footprint, track). The sense evolved from literally following tracks to metaphorically pursuing knowledge or truth.
The word beautifully captures the detective-like nature of inquiry - literally meaning to follow footprints or traces! Modern investigation maintains this tracking metaphor, whether detectives follow clues or scientists pursue hypotheses through methodical examination.
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