βοηθητέος
From LSJ
γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς τε καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων → grammar is a practical knowledge of the usage of poets and writers of prose
French (Bailly abrégé)
α, ον :
adj. verb. de βοηθέω.
Spanish (DGE)
-α, -ον
que debe ser ayudado ὁ ἀνήρ Iul.Or.7.229a, cf. Gr.Naz.Ep.104.3.