antumbra

From ante- (“before”) +‎ umbra (“shadow”).

• IPA^(key): /ænˈtʌm.bɹə/, /ˈæn.tʌm.bɹə/

antumbra (plural antumbrae)

1. (rare) The region from which an occulting body appears entirely contained within the disc of the light source.

• See umbra#Derived_terms

• rambutan