Now rise up, said I. — A continuation of the order in Deuteronomy 2:9. The words “said I” are not needed.
The brook Zered is not yet identified. (See Numbers 21:12.) Several streams run into the Dead Sea on its eastern side south of Arnon; Zered is possibly one of these. Or it may be a tributary of Arnon, which has one large tributary running from south to north.