Final answer:
While the question mistakenly combines a literary work with historical analysis, the interpretation of Moses' name being of Egyptian origin is credible due to similarity with Egyptian theophoric names. Moses' story highlights the complexity of family relationships during the period, involving both his Hebrew and Egyptian connections.
Step-by-step explanation:
The question regarding Tobias MacIvey and Zechariah seems to be misplaced within this context since it does not relate to the scholarly interpretation of the name Moses or family relationships in the period of history during which Moses lived. Instead, that part of the question seems to pertain to a character relationship within a work of fiction, possibly from the novel 'A Land Remembered' by Patrick D. Smith. In this particular book, Tobias MacIvey is indeed Zechariah's father, not his uncle, and Zechariah refers to Tobias as 'Pa' or 'Dad.'
To address the question about the scholarly interpretation of the name Moses being Egyptian in origin, it is considered credible by many scholars because the name resembles the Egyptian word 'ms' or 'mes,' which means 'to give birth' or 'child' and is a component of Egyptian names like Thutmose and Ramesses, indicating a child of a deity. It is plausible to suggest that the biblical Moses, raised in the royal court of Egypt according to the Hebrew Bible, could have been given an Egyptian name aligning with this pattern.
The story of Moses itself reveals a great deal about family relationships in the period, suggesting that bloodline and upbringing could sometimes intersect in complex and unexpected ways, particularly for individuals like Moses who had a foot in two different worlds — Hebrew and Egyptian — and whose life was greatly influenced by both his biological and adoptive families.