gleam

Concise Oxford English Dictionary © 2008 Oxford University Press:
gleam/ɡliːm/

▶verb

• 1 shine brightly, especially with reflected light.

• 2 (of an emotion) be expressed by a person's eyes.

▶noun

• 1 a faint or brief light.

• 2 a brief or faint instance of a quality or emotion.

– phrases
a gleam in someone's eye see eye.

– derivatives
gleaming adjective,
gleamingly adverb,
gleamy adjective (archaic).

– origin OE glǣm ‘brilliant light’, of Gmc origin.