ἔσονται οἱ δύο εἰς σάρκα μίαν → they will become one flesh
(ἄκροθῑς) -ινος, ἡprimicia πολέμου Pi.O.2.4, cf. 10.57, τὠπόλλονι τὰν ἀκρόθινα CID 1.9D.47 (IV a.C.).