nē-ve or neu, adv., introduces a negative clause containing a purpose, command, or prohibition, esp. after ut, ne, etc., and not, nor, and that not, and lest: utinam ne in nemore, etc. … neve inde, etc., Enn. ap. Auct. Her. 2, 22, 34 (Trag. v. 282 Vahl.): caveto ne quam materiam doles, neu caedas, neu tangas, nisi siccam, neu gelidam, neu rorulentam, Cato, R. R. 37; Cic. Q. Fr. 1, 1, 1: ut eam ne quis nobis minuat, neve vivus, neve mortuus, neither … nor, id. Leg. 2, 27, 67: cohortatus est, uti suae pristinae virtutis memoriam retinerent, neu perturbarentur animo, and that not, Caes. B. G. 2, 21: ut earum rerum vis minueretur, neu ponti nocerent, id. ib. 4, 17 fin.
So after a subj. alone: ipse modo Aeneas … adveniat, voltus neve exhorrescat amicos, Verg. A. 7, 263: hic ames dici pater atque princeps, Neu sinas Medos equitare inultos, Hor. C. 1, 2, 50.
After an imper., Verg. G. 2, 37; Ov. Tr. 1, 5, 37.