John 1:10

across to the other side of (with genitive)

Strong's #1223 diá (a preposition) – a small word, but significant. Properly, across (to the other side), back-and-forth to go all the way through, "successfully across" ("thoroughly"). 1223 (diá) is also commonly used as a prefix and lend the same idea ("thoroughly," literally, "successfully" across to the other side).

and the World has not known himself. The World as the "masculine" not "knowing himself," the feminine. 

Adam "knew" Eve—his own self. But the World has not known Himself. He was within "the World" and the World was begotten through Her, but the World has not known Her.