often
Φιλοκαλοῦμέν τε γὰρ μετ' εὐτελείας καὶ φιλοσοφοῦμεν ἄνευ μαλακίας -> Our love of what is beautiful does not lead to extravagance; our love of the things of the mind does not makes us soft.
Τhucydides, 2.40.1
P. and V. πολλάκις θαμά (Plato), P. συχνόν, Ar. and P. πυκνά, Ar. and V. πολλά.
how often, indirect: P. ὁσάκις.
as often as possible: P. ὡς πλειστάκις.