Strong's #6972: quwts (pronounced koots)

a primitive root; to clip off; used only as denominative from 7019; to spend the harvest season:--summer.

Brown-Driver-Briggs Hebrew Lexicon:

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qûts

1) (Qal) to spend the summer

Part of Speech: verb

Relation: a primitive root

Usage:

This word is used 2 times:

 

Isaiah 7:6: "Let us go up against Judah, and vex it, and let us make a breach therein for us, and set a king in the midst"
Isaiah 18:6: "and to the beasts of the earth: and the fowls shall summer upon them, and all the beasts of the earth"