βαρύστομος
From LSJ
μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
English (LSJ)
ον,
A heavy in pronunciation, of the first syllable of σκῆπτρον, Phld.Po.2.14 (dub.). 2 of heavy, i.e. abusive, mouth, Nonn.D.48.420. 3 of a weapon, cutting deeply, Opp.H.4.481.
German (Pape)
[Seite 435] 1) schwer, tief einschneidend, βουπλήξ Opp. H. 4, 481; a. sp. D. – 21 schmähend, Nonn. D. 48, 420.
Greek (Liddell-Scott)
βᾰρύστομος: -ον, ὁ ἔχων βαρύ, δηλ. κακόλογον στόμα, Νόνν. Δ. 48. 420. 2) ἐπὶ ὅπλου, ὁ βαθέως κύπτων, βουπλήξ, Ὀππ. Ἁλ. 4. 481.