From an unused root meaning to cut off; ruin -- destroying, destruction.
Englishman's Concordance
1) destruction Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: from an unused root meaning to cut off Same Word by TWOT Number: 2007a
Brown-Driver-Briggs
קֶ֫טֶב, [קֹ֫טֶב] noun masculineDeuteronomy 32:24destruction; — of pestilence, absolute ׳קDeuteronomy 32:24 ("" רֶשֶׁף), Psalm 91:6 ("" דֶּבֶר), so suffix (of Sh®°ôl) קָֽטָבְךָ (Ges§ 93q) Hosea 13:14 ("" of מָוֶת, דְּבָרֶיךָ); more Generally, שַׂעַר קָ֑קטֶבIsaiah 28:2.
Deuteronomy 32:24 HEB:וּלְחֻ֥מֵי רֶ֖שֶׁף וְקֶ֣טֶב מְרִירִ֑י וְשֶׁן־ NAS: And bitter destruction; And the teeth KJV: and with bitter destruction: I will also send INT: and consumed plague destruction and bitter and the teeth
Psalm 91:6 HEB:בָּאֹ֣פֶל יַהֲלֹ֑ךְ מִ֝קֶּ֗טֶב יָשׁ֥וּד צָהֳרָֽיִם׃ NAS: in darkness, Or of the destruction that lays waste KJV: in darkness; [nor] for the destruction [that] wasteth INT: darkness stalks of the destruction wasteth noon
Isaiah 28:2 HEB:בָּרָ֖ד שַׂ֣עַר קָ֑טֶב כְּ֠זֶרֶם מַ֣יִם NAS: a tempest of destruction, Like a storm KJV: of hail [and] a destroying storm, INT: of hail A tempest of destruction A storm waters