Requiring or worthy of thorough investigation and detailed scholarly examination.
Variant or related form of disquisit, from the same Latin root disquisitus, maintaining the sense of something requiring deep inquiry.
The slight spelling variation between disquisit and disquisite reflects how English was still settling its spelling conventions in the 1600s-1700s—even rare scholarly words had multiple acceptable spellings!
Complete word intelligence in one call. Free tier — 50 lookups/day.