βάκτρῳ δ' ἐρείδου περιφερῆ στίβον χθονός → support with a staff your steps that waver on the ground
subs.
Outline P. ὑπογραφή, ἡ.
To write by following the tracing of the lines: P. γράφειν κατὰ τὴν ὑφήγησιν τῶν γραμμῶν (Plat., Prot. 326D).