Where does “paenumbra” come from?

paenumbra (Latin) comes from Latin umbra, from Old Latin omra, from Proto-Indo-European h₂mr-u-.

paenumbra (Latin): penumbra, half-shade

Definitions

  1. penumbra, half-shade

Ancestry of “paenumbra”, step by step

paenumbra traces back through two separate lines of ancestry.

via Latin umbra

StepLanguageWordMeaning
1Latinumbraa shadow; a shade; a ghost
2Old Latinomra
3Proto-Indo-Europeanh₂mr-u-

via Latin paene

StepLanguageWordMeaning
1Latinpaenealmost, nearly; scarcely, hardly, barely
2Proto-Indo-Europeanpeh₁-to hate, hurt
Every word from Proto-Indo-European h₂mr-u-Every word from Old Latin omraEvery word from Latin umbra