Lewis & Short

nuncŭbī, adv. [from num with -cubi],

  1. I. anywhere? whether anywhere? (ante-class.): nuncubi hic vides citrum, aut aurum? Varr. R. R. 3, 2, 4; 2, 5, 2.
  2. * II. Transf., at any time? ever? nuncubi meam Benignitatem sensisti in te claudier? Ter. Eun. 1, 2, 83.