βάκτρῳ δ' ἐρείδου περιφερῆ στίβον χθονός → support with a staff your steps that waver on the ground
random: V. εἰκαῖος (Eur., Fragment).
vain: P. and V. μάταιος, κενός, ἀνήνυτος; see vain.
