Heiligenschein

[ hahy-li-guh n-shahyn ]
/ ˈhaɪ lɪ gənˌʃaɪn /

noun, plural Hei·li·gen·schei·ne [hahy-li-guh n-shahy-nuh] /ˈhaɪ lɪ gənˌʃaɪ nə/. German.

a ring of light around the shadow cast by a person's head, especially on a dewy, sunlit lawn, caused by reflection and diffraction of light rays; halo.

Origin of Heiligenschein

literally, saint's shining light