Apparently, contrary to normal Greek usage, Greek’s kai (“and”) in the sense of “in order to” occurs in the Synoptic Gospels.
Literary Languages in the Time of Jesus
Not only was Hebrew the most prevalent spoken language in the land of Israel during the first century, it was also the language in which most literary works were written.
The Bar-Kochva Letters
Documents discovered in the Judean Wilderness near the Dead Sea provide some insight into the use of Hebrew in the land of Israel not long after the time of Jesus.