θυλακίσκιον
From LSJ
ὅτι τίς ὁ ἄνθρωπος, ὃς ἐπελεύσεται ὀπίσω τῆς βουλῆς τὰ ὅσα ἐποίησεν αὐτήν; (Ecclesiastes 2:12, LXX version) → for who is the man who, after following his own plan, will find wisdom (in) everything he has done?
German (Pape)
[Seite 1222] τό, dim. zum Folgdn, Ar. bei Poll. 10, 172, Bekker aber lies't θυλακίσκος.