(Mic 5:2), another name for "families" or "clans" (see Nu 1:16; 10:4; Jos 22:14,21). Several "thousands" or "families" made up a "tribe."
These are those who were called from the congregation, the rulers of the tribes of their fathers. They were the heads of the thousands of Israel.
And if they blow but one, then the rulers, the heads of the thousands of Israel, shall gather themselves to thee.
and with him ten rulers, one ruler of a fathers' house for each of the tribes of Israel. And they were each man of them head of their fathers' houses among the thousands of Israel.
Then the sons of Reuben and the sons of Gad and the half-tribe of Manasseh answered, and spoke to the heads of the thousands of Israel,
But thou, Bethlehem Ephrathah, which are little to be among the thousands of Judah, out of thee he shall come forth to me who is to be ruler in Israel, whose goings forth are from of old, from everlasting.