Suburbs - Rather, “pasture-grounds,” required for their large cattle, for their sheep and goats, and for all their beasts whatever they might be Numbers 35:3.
Related Commentaries of Numbers 35:2
Numbers 35:2
2 Command the children of Israel, that they give unto the Levites of the inheritance of their possession cities to dwell in; and ye shall give also unto the Levites suburbs for the cities round about them.