Lewis & Short

2. quis, quid, pron. indef.

  1. I. As subst.
    1. A. Alone, any one, any body, any thing; some one, somebody, something: aperite, heus! Simoni me adesse, quis nunciate, Plaut. Ps. 5, 1, 37: simplicior quis, et est, etc., Hor. S. 1, 3, 63: quantum quis damni professus erat, Tac. A. 2, 26: quanto quis clarior, id. H. 3, 58: injuriam cui facere, Cic. Fin. 3, 21, 71.
    2. B. In connection with si, ne, nisi, cum: si te in judicium quis adducat, Cic. Phil. 2, 14, 35: ne cui falso assentiamur, id. Fin. 3, 21, 72: si tecum agas quid, id. Off. 1, 2, 4: si quid in te peccavi ignosce, id. Att. 3, 15, 4: si quis quid de re publicā rumore acceperit, Caes. B. G. 6, 20: si quo usui esse posset, Liv. 40, 26, 8: ne quid nimis, Ter. And. 1, 1, 34: nisi quid existimas, etc., Cic. Fam. 13, 73, 2: neve quis invitam cogeret esse suam, Prop. 1, 3, 30: cum quid, Col. 4, 25.
  2. II. As adj.: jam quis forsitan hostis Haesura in nostro tela gerit latere, Tib. 1, 10, 13.