επιστάμενος

From LSJ

ἀεί ποτ' εὖ μὲν ἀσκός εὖ δὲ θύλακος ἅνθρωπός ἐστι → this guy's always good at being a wineskin, and at times a winesack

Source

Greek Monolingual

-η, -ο (AM ἐπιστάμενος, -η, -ον)
βλ. επίσταμαι.