ὀπισθοβαρής
From LSJ
θοῦ, Κύριε, φυλακὴν τῷ στόµατί µου καὶ θύραν περιοχῆς περὶ τὰ χείλη µου → set a guard over my mouth, Lord; keep watch over the door of my lips | set a guard, O Lord, over my mouth; keep watch over the door of my lips (Psalm 140:3, Septuagint version)
English (LSJ)
ές,
A loaded behind, metaph., τῆς ἀσεβείας ὀπισθοβαρεῖς ἀνάγκαι OGI383.120 (Nemrud Dagh, i B. C.), cf. Plot.6.9.4, Simp.in Epict.p.35 D. 2 name of an eye-salve, Aët.7.115 : as Adj., ἄδηκτον μὲν ὀ. δέ ib.109.