glint
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verb no object
give out or reflect small flashes of light:
きらりと光る, きらめく; «…に» 反射する «off» .
e.g. her glasses were glinting in the firelight.
(of a person's eyes) shine with a particular emotion:
〈目が〉 【感情などで】輝く «with»
e.g. his eyes glinted angrily.
noun
a small flash of light, especially as reflected from a shiny surface:
きらめき, 閃光;反射
e.g. the glint of gold in his teeth.
in singular a brightness in someone's eyes seen as a sign of enthusiasm or a particular emotion:
目の輝き
e.g. she saw the glint of excitement in his eyes.
ORIGIN
Middle English (in the sense ‘move quickly or obliquely’): variant of dialect glent, probably of Scandinavian origin and related to Swedish dialect glänta, glinta ‘to slip, slide, gleam’.