1.
geyʾ tzalmoves
...is a valley overshadowed by death, in which all life has vanished and the death and decay of all living things pervade everything round about. This is the gloomiest portrayal of disaster, in which death withholds every ray of light, or of long - awaited salvation, and all things recede hopelessly into the darkness of night.
2.
A. [שֵׁבֶט] (shebet)
...is the chastising rod, suffering
B. [מִשְׁעֵנָה] (mish'enah)
Derived from [שָׁעַן] (shaan) -
"to support", is the “supporting staff”, the “support”.
...
“I take comfort in the knowledge that whatever I receive from You, be it chastisement or support, is indeed Yours and comes solely from You".