H6099–עָצוּם–a.tsum

Like the noise of chariots on the tops of mountains shall they leap, like the noise of a flame of fire that devoureth the stubble, as a strong people set in battle array.

עָצ֔וּם 'a.Tzum “mighty”

And the LORD shall utter his voice before his army: for his camp is very great: for he is strong that executeth his word: for the day of the LORD is great and very terrible; and who can abide it?

עָצ֖וּם 'a.Tzum “[is] mighty”

For I know your manifold transgressions and your mighty sins: they afflict the just, they take a bribe, and they turn aside the poor in the gate from their right.

וַעֲצֻמִ֖ים (עֲצֻמִ֖ים) 'a.tzu.Mim “numerous”

And he shall judge among many people, and rebuke strong nations afar off; and they shall beat their swords into plowshares, and their spears into pruninghooks: nation shall not lift up a sword against nation, neither shall they learn war any more.

עֲצֻמִ֖ים 'a.tzu.Mim “mighty”

And I will make her that halted a remnant, and her that was cast far off a strong nation: and the LORD shall reign over them in mount Zion from henceforth, even for ever.

עָצ֑וּם 'a.Tzum “mighty”

Yea, many people and strong nations shall come to seek the LORD of hosts in Jerusalem, and to pray before the LORD.

עֲצוּמִ֔ים 'a.tzu.Mim “mighty”