Where does “semipenumbra” come from?

semipenumbra (Spanish) comes from Spanish semi-, from Latin sēmi-, from Proto-Indo-European sēmi — half; partially.

semipenumbra (Spanish): Partially-shaded area

Definitions

  1. Partially-shaded area

Ancestry of “semipenumbra”, step by step

StepLanguageWordMeaning
1Spanishsemi-semi- half
2Latinsēmi-half
3Proto-Indo-Europeansēmihalf; partially
Every word from Proto-Indo-European sēmiEvery word from Spanish semi-Every word from Latin sēmi-