τὸ γὰρ βραχύ τι τοῦτο πᾶσαν ὑμῶν ἔχει τὴν βεβαίωσιν καὶ πεῖραν τῆς γνώμης → this trifle contains the whole seal and trial of your resolution
P. and V. παλαιός, ἀρχαῖος, Ar. and V. παλαιγενής, V. παλαίφατος.
long existing: V. δηναιός.
from time immemorial: P. ἐκ παλαιτάτου.