The length - From north to south.
Before the temple - This describes their position in a general way; more precisely they lay over against partly the “separate place” and partly the “temple-court” Ezekiel 42:1.
Related Commentaries of Ezekiel 42:8
Ezekiel 42:8
8 For the length of the chambers that were in the utter court was fifty cubits: and, lo, before the temple were an hundred cubits.