deprehend
To take unawares or by surprise; to catch or seize (a criminal etc.) in the act.
obsolete
The deprehended adulteress
To detect; to discover; to find out.
obsolete
The motions of the minute parts of bodies […] are to be deprehended by experience.
Where it comes from
From Latin deprehendere, deprehensum, from de- + prehendere (“to lay hold of, seize”). See prehensile.
Adapted from the Wiktionary entry deprehend (CC BY-SA 4.0).