βάκτρῳ δ' ἐρείδου περιφερῆ στίβον χθονός → support with a staff your steps that waver on the ground
puff out: P. and V. φυσᾶν.
stretch: P. and V. τείνειν, ἐκτείνειν.
be distended: V. ἐξογκοῦσθαι.
