κρῖναι δὲ λόγῳ πολύδηριν ἔλεγχον ἐξ ἐμέθεν ῥηθέντα → judge by reason the too much contested argument which has been given by me
from אָב and גִּבְעוֹן; father (i.e. founder) of Gibon; Abi-Gibon, perhaps an Israelite: father of Gibeon.