Strong's Definition
a primitive root; probably to coil upward
KJV Usage: mount up
STEPBible — Tyndale Abridged Hebrew Lexicon
אָבַךְ (a.vakh) — to roll up. 1) to roll, turn 1a) (Hithpael) to roll, roll up, billow
UBS Dictionary of Biblical Hebrew
verb
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[אָבַךְ] vb. turn (?) Hithp. roll, roll up, as volume of smoke
base