Inventio
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In the civil law. Finding; one of the modes of acquiring title to property by occupancy. Heinecc. llb.
2, tit 1, § 350.
In old English law
A thing found; as goods or treasure-trove.
Cowell.
The plural, "inientionea," is also used.