ἄκροθις

From LSJ

ἔσονται οἱ δύο εἰς σάρκα μίαν → they will become one flesh

Source

Spanish (DGE)

(ἄκροθῑς) -ινος, ἡ
primicia πολέμου Pi.O.2.4, cf. 10.57, τὠπόλλονι τὰν ἀκρόθινα CID 1.9D.47 (IV a.C.).