penumbra
penumbra
pen-
almost
+
umbra
shadow
Penumbra means penumbra and can be broken down into pen-0 (almost0) + umbra1 (shadow1), literally meaning 'almost shadow' or partial shadow.
noun
- penumbraA partial shadow or area of partial darkness between full light and full shadow.La penumbra del atardecer creaba un ambiente misterioso. // The penumbra of the evening created a mysterious atmosphere.