Βάκτρα
From LSJ
ὤδινεν ὄρος, Ζεὺς δ' ἐφοβεῖτο, τὸ δ' ἔτεκεν μῦν → the mountain was in labor — even Zeus was afraid — but gave birth to a mouse
English (LSJ)
τά,
A Balkh, Hdt.9.113, Arist.Mir.833b14, Str.11.8.9: the people were Βάκτριοι, Hdt.3.102; or Βακτριανοί, Str.l.c.; cf. Βακτριανή, ἡ, Id.11.9.2:—the Bactrian camels were famous, Arist. HA498b8.