Usage: 4 forms in 22 verses
Form Translated As     In Verse(s)
αβάτω an untrodden LXX.Ps.107.40
untrodden LXX.Ps.63.1 • LXX.Jer.2.6
άβατόσ It is untrodden LXX.Jer.32.43
άβατοσ an impassable LXX.Amos.5.24
an untrodden LXX.Jer.49.33
untrodden LXX.Jer.50.12 • LXX.Jer.51.43
άβατον an untrodden LXX.Jer.6.8 • LXX.Jer.12.10 • LXX.Jer.25.18 • LXX.Jer.42.18 • LXX.Jer.44.6 • LXX.Jer.44.22 • LXX.Jer.48.9 • LXX.Jer.49.2 • LXX.Jer.49.13 • LXX.Jer.49.17
untrodden LXX.Lev.16.22 • LXX.Job.38.27 • LXX.Jer.25.38 • LXX.Jer.34.22

Liddell-Scott-Jones

ἄβατος (abatos) impassable G:A

ἄβατος, ον,

also η, ον [Refs 5th c.BC+]:— untrodden, ἐρημία[Refs 4th c.BC+]; impassable, of mountains, [Refs 5th c.BC+]; of a river, not fordable, [Refs 5th c.BC+]; εἶναι εἰς ἄβατον to be made desolate, [LXX]: metaphorically, inaccessible, τὸ πόρσω σοφοῖς ἄ. κἀσόφοις[Refs 5th c.BC+]

__2 of holy places, not to be trodden, [Refs 5th c.BC+]; ἀβατώτατος ὁ τόπος (i.e. οἱ τάφοι) [Refs 4th c.BC+]: metaphorically, pure, chaste, ψυχή[Refs 5th c.BC+]
__2.b as substantive, ἄβατον, τό, adytum, [Refs 4th c.BC+]; = bidental, Διὸς καταιβάτου ἄ. [Refs]
__3 metaphorically, φύσις ἄ. οἴκτῳ[Refs 1st c.AD+]
__4 of a horse, not ridden, [Refs 2nd c.AD+]; of female animals, [Refs]
__5 ἄβατον, τό, a plant eaten pickled, [Refs 2nd c.AD+]
__II active, ἄ. πόνος a plague that hinders walking, i.e. gout, [Refs 2nd c.AD+]

LSJ Scripture Refs: LXX.Jer.29.17*