The days of the span are:
There are also seven days of High Mourning at the end of each year, for a total of 359 days in a year.
Felling, Reaving, Cendling, and Mourning all have rough English translations or at least strong associations.
Felling – "Fell" as in you fell a tree by chopping it down  (This is the day when Tehlu felled Encanis).
Reaving – "Reave" (Archaic) means to seize and carry away. To steal or pillage  (Encanis is seized and chained to the giant iron wheel).
Cendling – Kindling, lighting a fire  (The day Tehlu's followers lit the fire that would burn Encanis).
Mourning – Mourning as in grieving, not the beginning part of the day  (The day Tehlins mourn the death of Tehlu).