Lewis & Short

quantisper, adv. [quantum, how much), how long (ante-class.).

    1. 1. Interrog.: velim paulisper opperiri te. Quantisper? Non plus triduum, Caecil. ap. Non. 511, 30.
    2. 2. Rel.: possum exorare te, ut recedas a me paulisper modo? Quantisper sat habes, as long as, Pompon. ap. Non. 511, 33.