τοὔνεκα

A. for that reason, therefore, Il. 1.291, al., Hes. Op. 49, Pi. O. 1.65; also τοὔνεκεν, Xenoph. 2.19, A.R. 1.1354, D.P. 950, etc.

II. interrog., for τίνος ἕνεκα; wherefore? APl. 4.275.11 (Posidipp.).