SUPERADD

Etymology

Verb

superadd (third-person singular simple present superadds, present participle superadding, simple past and past participle superadded)

(transitive) To add on top of a previous addition.

Source: Wiktionary

Su`per*add", v. t. [imp. & p. p. Superadded; p. pr. & vb. n. Superadding.] Etym: [L. superaddere. See Super-, and Add.]

Definition: To add over and above; to add to what has been added; to annex, as something extrinsic. The strength of any living creature, in those external motion, is something distinct from, and superadded unto, its natural gravity. Bp. Wilkins. The peacock laid it extremely to heart that he had not the nightingale's voice superadded to the beauty of his plumes. L'Estrange.

Source: Webster’s Unabridged Dictionary 1913 Edition