Commento su Isaia 19:18

On that day there shall be five cities, etc. We learned in Seder Olam (ch. 23): Following Sennacherib’s defeat, Hezekiah stood up and released the armies he had brought with him from Egypt and from Cush in chains before Jerusalem, and they imposed upon themselves the kingdom of heaven, and returned to their place, and it is said: “On that day there shall be five cities, etc.” They went and built an altar to the Lord in the land of Egypt and they would sacrifice on it to heaven, to fulfill what was said: On that day there shall be an altar to the Lord in the land of Egypt. Some of our Sages expounded it in the tractate Menahoth (109b) as referring to the altar of the temple of Onias the son of Simon the Just, who fled to Egypt and built an altar there.

The language of Canaan. We may learn from this that the Canaanites spoke the holy language.²²According to I. E., the prophet undoubtedly means to say that Hebrew will be spoken in Egypt. If this be granted, the inference is right that the Canaanites spoke the Hebrew language, since the expression Canaan is here used for Hebrew. Rashi explains: The holy language spoken by the Israelites, who dwell in Canaan.

speaking the language of Canaan like the Israelites in the land of Canaan.