Definition of superadd in English:

superadd

verb

[WITH OBJECT]rare
  • Add (something) to what has already been added:

    ‘the presence of superadded infection by bacteria’
    • ‘If sickness or some of those casualties which are perpetually incident to an active and laborious life, be superadded to these burthens, the distress is yet greater.’
    • ‘If an essence becomes actual only in virtue of something else - viz. existence - being superadded to it, then what gives existence its reality, and so on ad infinitum?’
    • ‘This nature, however, is not something superadded to things from outside, like an accident, but conjoined with their substances.’

Origin

Late Middle English: from Latin superaddere (see super-, add).

Pronunciation:

superadd

/suːpərˈad/