'Begin' in the Bible

"This is what pertains to the Levites: At the age of twenty-five years and upward one may begin to join the company in the work of the tent of meeting,

Whenever the cloud was taken up from the tabernacle, then after that the Israelites would begin their journey; and in whatever place the cloud settled, there the Israelites would make camp.

At the commandment of the Lord the Israelites would begin their journey, and at the commandment of the Lord they would make camp; as long as the cloud remained settled over the tabernacle they would camp.

When you sound an alarm, the ones encamped on the east side are to begin to travel.

When you sound the alarm the second time, those encamped on the south are to begin to travel. Alarms are to be sounded for their travels.

So they moved out for the first time in accordance with the command of the Lord through Moses.

And Israel dwelleth in Shittim, and the people begin to go a-whoring unto daughters of Moab,

Your southern side will be from the Wilderness of Zin along the boundary of Edom. Your southern border on the east will begin at the east end of the Dead Sea.