surabundant
Overly abundant; superabundant.
rare
In the terminology of collegia, for which there is surabundant evidence, modifiers in titles are adjectives proper and usually in the -arius form — e.g. exoneratores calciarii, fabri soliarii baxiarii, mensores et mercatores frumentarii.
Where it comes from
From sur- (“variant of super-”) + abundant; compare French surabondant (“superabundant”).
Adapted from the Wiktionary entry surabundant (CC BY-SA 4.0).