ἀχρηστέω
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
A to be useless, S.E.M.1.259.
Greek (Liddell-Scott)
ἀχρηστέω: εἶμαι ἄχρηστις, Σέξτ. Ἐμπ.π. Μ. 1. 259: - ὡσαύτως ἀχρηστεύω Α. Β. 793. 35.
Spanish (DGE)
ser inútil de la gramática, S.E.M.1.54, cf. 259.
Russian (Dvoretsky)
ἀχρηστέω: быть бесполезным, ненужным Sext.
