קַו־קַוqav-qav

might (?) (Isaiah 18:2; Isaiah 18:7)

Pronunciation: kav-kav' · Hebrew/Aramaic (Old Testament) · H6978

Same root

קַוqav · H6957a cord (as connecting), especially formeasuring; figuratively, a rule; also a rim, a musical string or accord

Where it appears

Appears 4 times in the Bible.

Isaiah 18:2 that sends ambassadors in swift boats down the river. Go, swift messengers! Take a message to a tall, smooth-skinned people, who are feared far and wide for their conquests and destruction, and whose land is divided by rivers.
Isaiah 18:7 At that time the Lord of Heaven’s Armies will receive gifts from this land divided by rivers, from this tall, smooth-skinned people, who are feared far and wide for their conquests and destruction. They will bring the gifts to Jerusalem, where the Lord of Heaven’s Armies dwells.

See every passage

Isaiah 18:2, 18:7

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).