Intensive from 'abad; abstract, a perishing; concrete, Hades -- destruction.
see HEBREW 'abad
H11. abaddon
אֲבַדּוֺן noun feminine? Proverbs 27:20 abstract nearly =
proper name (place of) Destruction, Ruin, 'Abaddon (compare ᵑ6 Job 28:32 etc.) — אֲבַדּוֺן Job 26:6 (+ 4 t.); q. v. אבדה Kt אֲבַדּוֺ Qr Proverbs 27:20. — Place of ruin in Sh®°ôl for lost or ruined dead, as development of earlier distinction of condition in Sh®°ôl (see שְׁאוֺל). Only in Wisdom Literature; Job 31:12; "" שׁאול 26:6; Proverbs 15:11; 27:20; "" מות Job 28:22; "" קבר Psalm 88:12.