Joshua 6:18

18 But keep yourselves strictly from the accursed thing, lest ye set your mind upon and take of the accursed thing, and ye make the camp of the children of Israel and accursed thing, and destroy us.

Joshua 6:18 Meaning and Commentary

Joshua 6:18

And you in any wise keep [yourselves] from the accursed
thing
From laying hold on, secreting, and enjoying as their own, what was devoted to another use:

lest ye make [yourselves] accursed;
or a "cherem", also devoted to destruction:

when ye take of the accursed thing;
any part of it, be it what it will, gold or any other metal, or raiment, and the like:

and make the camp of Israel a curse, and trouble it;
for being done secretly, and not known who did it, the whole body of the people would be chargeable with it, and suffer on account of it, unless discovered and punished, and as more fully appears by an after instance.

Joshua 6:18 In-Context

16 And it came to pass at the seventh circuit the priests blew the trumpets; and Joshua said to the children of Israel, Shout, for the Lord has given you the city.
17 And the city shall be devoted, it and all things that are in it, to the Lord of Hosts: only do ye save Raab the harlot, and all things in her house.
18 But keep yourselves strictly from the accursed thing, lest ye set your mind upon and take of the accursed thing, and ye make the camp of the children of Israel and accursed thing, and destroy us.
19 And all the silver, or gold, or brass, or iron, shall be holy to the Lord; it shall be carried into the treasury of the Lord.
20 And the priests sounded with the trumpets: and when the people heard the trumpets, all the people shouted at once with a loud and strong shout; and all the wall fell round about, and all the people went up into the city:

The Brenton translation of the Septuagint is in the public domain.