When. This chapter is a parenthesis (App-6). Introduced here because Jethro, though he lived among the Amalekites, yet was not under their
curse (Exodus 17:14 Exodus 17:6). The event occurred between Exodus 18:10 and Exodus 18:11 of Numbers 10. Jethro's counsel was given, and taken, when Israel was ready to depart from Sinai (Deuteronomy 1:7-14).
Jethro. Compare Exodus 3:1. Probably. descendant of Abraham by Keturah, and not, therefore, an idolater. Compare Exodus 18:12 and context.
God. Hebrew. Elohim. App-4.
the LORD. Hebrew. Jehovah. App-4.
Egypt. A reading (Sevir) reads "land of Egypt". See App-34.