[su.per.add] vt [ME, fr. L superaddere, fr. super- + addere to add] (15c): to add esp. in a way that compounds an effect "the loss of his job was ~ed to the loss of his house"
SUPERADD
Meaning of SUPERADD in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012