A primitive root; properly, to twist as a rope; only (as a denominative from gbuwl) to bound (as by a line) -- be border, set (bounds about).
see HEBREW gbuwl
H1379. gabal
גָּבַל verb denominative bound, border —
Qal Perfect גָָּֽבְּלוּ Deuteronomy 19:14; Imperfect3masculine singular יִגְבּוֺל Joshua 18:20, 3feminine singular תִּגְבָּלֿ Zechariah 9:2; — bound, border, with accusative Joshua 18:20 (P); with בְּ border upon, adjoin Zechariah 9:2; transitive set bounds Deuteronomy 10:14 (with accusative of congnate meaning with verb).
Hiph`il Perfect2masculine singular set bounds for, with accusative וְהִגְבַּלְתָּ֫ Exodus 19:12; Imperative id. הַגְבֵּל 19:23 (both J E), + Participle מַגְבִּיל Ezekiel 47:18 ᵑ9 ᵑ6 ᵐ5 Co.