ΠΡΟΣ ΒΟΙΩΤΟΝ Β
ὑπὲρ σημείωσαι, ἡ «ὑπὲρ» ἀντὶ τῆς «κατὰ σοῦ»· ὡς καὶ παρʼ Ὁμήρῳ· «ὅθʼ ὑπὲρ σέθεν» ἀντὶ τοῦ «κατά».
In the second speech Against Boeotus, over a mother's dowry, a grammatical note observes that hyper stands for kata, "against you", and supports the usage with Homer's hothʼ hyper sethen.
Demosthenes Scholia Scholia on Demosthenes: Against Boeotus 2 in Greek in PDF
Demosthenes Scholia Scholia on Demosthenes: Against Boeotus 2 in Greek in MD
Part of Scholia on Demosthenes