HB: gab = hollow, curve, back, rim, boss, vault, arch, brow; gob = pit, ditch (as cut-out or hollowed-out); gebul = chord, twisted strand; boundary, enclosed territory, border, limit; gabal = to twist (as a rope), to set bounds, limits; to define; gibah = hump or peak, hill - from gibben = arched back; geviyah - from gevah = the back, and gev/gav = back, middle - all from gaah = to mount up, increase, rise, become lofty (cf. geah = arrogance/pride); gava = breathe out, expire, die; guwph = hollow, arch, close, shut; guwphah = corpse - as closed to sense, body.