abundus
Abundus is a Latin adjective meaning full, abundant, or copious. The term is attested in classical and medieval Latin with the general sense of being in great quantity, fullness, or richness. It is formed as a standard 1st/2nd declension adjective and agrees with the noun it modifies in gender, number, and case. The related verb abundare, meaning to abound, provides the semantic core of abundance. The noun abundantia, meaning abundance, is derived from the same root.
In usage, abundus describes tangible quantities such as resources or supplies, as well as more figurative fullness
Related terms include abundans, abundare, abundantia, and copiosus, which cover similar senses of fullness and plenty.