underlightn.
Origin: Formed within English, by derivation. Etymons: under- prefix1, light n.1
Etymology: < under- prefix1 + light n.1Previous versions of the OED give the stress as: ˈunderlight.
the world > matter > light > intensity of light > [noun] > half-light
1876 W. E. Gladstone Diary 25 Dec. in J. Morley (1903) II. viii. iv. 559 I see that eastward sky of storm and of underlight.
This entry has not yet been fully updated (first published 1921; most recently modified version published online December 2021).