G1571–ἐκκαθαίρω–ekkathairō

Get rid of the old yeast so that you may be dough of a new kind; for in fact you *are* free from corruption. For our Passover Lamb has already been offered in sacrifice--even Christ.

ἐκκαθάρατε ekkatharate “do cleanse out”

If therefore a man keeps himself clear of these latter, he himself will be for specially honourable use, consecrated, fit for the Master's service, and fully equipped for every good work.

ἐκκαθάρῃ ekkatharē “shall cleanse”