γραΐδιον
From LSJ
ἕτερος ἐξ ἑτέρου σοφός τό τε πάλαι τό τε νῦν → one gets his skill from another, now as in days of old
English (LSJ)
τό, Dim. of γραΐς,
A old hag, Ar.Pl.536:—elsewh. contr. γρᾴδιον, ib.674, Philyll.5, X.An.6.3.22, D.18.260, Men.Georg.54, etc.: barbarous form γρᾴδιο Ar.Th.1194.