exploratio
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → For extreme diseases, extreme methods of cure, as to restriction, are most suitable.
Latin > English (Lewis & Short)
explōrātĭo: ōnis, f. exploro,
I an examination, exploration (post-Aug.): surculi, Col. 3, 9, 5: exploratione occulta fallere aliquem, Tac. H. 3, 54.—
II In partic., in milit. lang., a spying, Dig. 49, 16, 3.