noun
intercession
in-ter-SESH-un/ˌɪntərˈseʃn/
Pleading on someone else's behalf, especially in prayer.
The older man's intercession asks the upset shopkeeper to forgive the child.

Etymology
The image is of going between parties to mediate. In Christian usage, this became pleading on another person's behalf, the sense behind an intercession.
In context
we ask your intercession pray for us
More examples
- Her intercession persuades the landlord to give us another week.
- We ask for your intercession on behalf of our sick neighbor.
- The service includes intercessions for people affected by the storm.
Forms
intercession · intercessions
intercede verb — To plead on another person's behalf.
intercessory adjective — Involving prayer or pleading for others.