κατωκάρα
From LSJ
καὶ ὑποθέμενος κατὰ τῆς κεφαλῆς φέρειν τὰς πληγάς, ὡς ἐν ἐκείνῃ τοῦ τε κακοῦ τοῦ πρὸς ἀνθρώπους → and having instructed them to bring their blows against the head, seeing that the harm to humans ... (Josephus, Antiquities of the Jews 1.50)
English (LSJ)
[ᾰρ], Adv.
A head downwards, Pi.Fr.161, Ar.Ach.945 (lyr.), Ph.1.207, Agath.2.2; heels over head, Ar.Pax 153.
German (Pape)
[Seite 1406] kopfunten, kopfüber; Pind. frg. 134; εἴπερ ἐκ ποδῶν κατωκάρα κρέμαιτό γε Ar. Ach. 909; ῥίπτειν τινά Pax 155; Sp.; auch getrennt geschrieben.