What does Daniel 11:10 mean?

According to a prophecy given in 536 BC (Daniel 10:1), two of the nations emerging after the death of Alexander the Great would engage in a series of conflicts (Daniel 11:5–6). At one point, the southern kingdom of Egypt would reach deep into Seleucid territory, in Syria, pillaging and taking religious artifacts such as idols (Daniel 11:7–8). Seleucus II Callinicus was only able to regain territory because the Egyptians were content to leave with their spoils. His attempt to push back into Egypt failed (Daniel 10:9), and for many years the Seleucid Empire was primarily concerned with insurrections and infighting.

One of Callinicus's sons was Antiochus III, later known as Antiochus the Great. Antiochus III restored his empire's military and made multiple attacks against Egypt. His first assault on Egypt occurred when Ptolemy IV Philopator had become Egypt's king. Early on, Antiochus the Great captured city after city in the regions of modern-day Syria, Lebanon, and Israel. In that sense, he "overflowed" and "passed through" on his way towards Egypt in the south.

At the time, Ptolemy Philopator offered little resistance. Antiochus regrouped when his forces reached the southern regions of Israel, in what is now the Gaza Strip. This allowed Philopator the opportunity to assemble more forces and make a single successful counterattack (Daniel 11:11).