"Indagator" is a word in ENGLISH

One who explores; one who examines closely; a searcher.

manglilíghot - Searcher, investigator, one of a search party. (cf. líghot).

Lat . In old English law. A searcher or bailiff of a river; a water-bailiff, whose business was to look …

An instrument for feeling after calculi in the bladder, etc.

An implement for sampling butter; a butter trier.

Formerly, an officer in London appointed to examine the bodies of the dead, and report the cause of death.

An officer of the customs whose business it is to search ships, merchandise, luggage, etc.

An instrument for examining the bore of a cannon, to detect cavities.

An inspector of leather.

One who, or that which, searhes or examines; a seeker; an inquirer; an examiner; a trier.

In English law. An officer of the customs, whose duty lt is to examine and search all ships outward bound, …

A searcher for stream tin.