The Hebrew mishneh (מִשְׁנֶה) comes from the root shanah (H8138, to repeat, to be second) and means "second," "double," "copy," or "second-in-command." It appears in the title "Book of Deuteronomy" — Mishneh Torah means "repetition/copy of the law." Joseph is called the mishneh to Pharaoh (second-in-command, Genesis 41:43). The term also describes a double portion or restored blessing.
The concept of mishneh is rich with theological overtones. In Isaiah 61:7, God promises a "double portion" (mishneh) to those who have suffered shame — a principle of redemptive reversal where God more than compensates for loss. Job receives a mishneh restoration (Job 42:10). The Mishnah (the rabbinic oral law) takes its name from this word, understood as a "second Torah" — a repetition and elaboration of the written law. Joseph's role as mishneh to Pharaoh is a type of Christ's exaltation to God's right hand — the second-in-command through whom all blessing flows.