Gleam

Funke

(indistinct sign of something — see also glimpse, hint)

Schein

(indistinct or small, or short-lived, appearance of light)

Schimmer

(indistinct or small, or short-lived, appearance of light)

Schimmer

(indistinct sign of something — see also glimpse, hint)

aufblitzen

(to be strongly but briefly apparent)

schimmern

(to shine, especially in an indistinct or intermittent manner — see also glisten, glitter)