κοπτέον
From LSJ
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
English (LSJ)
A one must pound, φάρμακον Asclep. ap. Gal.13.341, cf. 969, Dsc.2.76, Gp.3.7.1.
Greek (Liddell-Scott)
κοπτέον: ῥηματ. ἐπίθετ. τοῦ κόπτω, δεῖ κόπτειν, Κωμικ. παρ’ Ἀθην. 1109F, Γαλην.
