noun / verb
glint
GLINT/ɡlˈɪnt/
A tiny sudden reflection of light.
A tiny glint of sunlight flashes on the silver ring.

Etymology
Glint apparently preserves an older verb descended from glenten, “gleam” or “flash.” The noun turns that shining action into a single small, quick flash of light.
In context
A glint of light flashed in Qin Feng's eyes.
More examples
- Broken glass glints in the afternoon sun.
- She spotted a glint of metal beneath the leaves.
- His watch glinted as he reached for the door.
Forms
glint · glints · glinted · glinting