indagation
/ɪndəˈɡeɪʃ(ə)n
/noun [mass noun] rare
Research or investigation.He mocked our most diligent and exquisite indagation....
- Paracelsus directs us, in the indagation of colours, to have an eye principally upon salts.
- I perceived that some insight into chemical operations was highly conducive to the true knowledge of nature, and especially to the indagation of several of her most abstruse mysteries
Origin
Late 16th century: from Latin indagatio(n-), from indagare 'investigate'.