H6978–קַוְקָו–qav-qav

that sends ambassadors by the sea, even in vessels of papyrus on the waters, [supplied: saying], Go, you swift messengers, to a nation tall and smooth, to a people awesome from their beginning onward, a nation that measures out and treads down, whose land the rivers divide!

קַו־ kav- “strength of”קָ֣ו kav “strength”

In that time shall a present be brought to Yahweh of Hosts [supplied: from] a people tall and smooth, even from a people awesome from their beginning onward, a nation that measures out and treads down, whose land the rivers divide, to the place of the name of Yahweh of Hosts, Mount Zion.

קַו־ kav- “strength of”קָ֣ו kav “strength”