Vous avez cherché: augere (Latin - Anglais)

augere
augeo, augere, auxi, auctus increase, enlarge, augment; spread; honor, promote, raise; exalt; make a lot of;

vetera novis augere
old should be expanded

vetera novis augere et perficere
old should be expanded

quando obsederis civitatem multo tempore et munitionibus circumdederis ut expugnes eam non succides arbores de quibus vesci potest nec securibus per circuitum debes vastare regionem quoniam lignum est et non homo nec potest bellantium contra te augere numeru
when thou shalt besiege a city a long time, in making war against it to take it, thou shalt not destroy the trees thereof by forcing an axe against them: for thou mayest eat of them, and thou shalt not cut them down (for the tree of the field is man's life) to employ them in the siege: