1)
What are he'Arim ha'Mivdalos?
1.
Rashi: They were separated from [the primary] inheritance of Efrayim, and enveloped in Menasheh's portion. Aderes Eliyahu, Malbim - he'Arim ha'Mivdalos are on this strip that extends west from Efrayim, to the sea.
2)
What grammatical form is the word Mivdalos?
1.
Radak #1 - Mivdalos is an adjective.
2.
Radak #2: The Chirik under the Mem is in place of a Shuruk. Mivdalos is a verb in the passive form of the Hiphil (Mavdil, divide. The cities are amidst Menasheh, but are separated, recognized and known.)


