noun / verb
glimmer
GLIM-er/ˈɡlɪmər/
A faint, unsteady appearance of light.
A faint glimmer of candlelight shows beneath the door.

Etymology
Glimmer may come from, or be related to, Middle Dutch glimmen. The English verb shifted from shining brightly to shining faintly, giving the noun its image of weak light and, figuratively, a slight indication.
In context
they're looking for some Hope just any glimmer of hope that something might change for them
More examples
- Distant lights glimmer through the fog.
- Small glimmers of light dance across the dark water.
- The latest news offers a glimmer of hope.
Forms
glimmer · glimmers · glimmered · glimmering