Where does “nigrescence” come from?

nigrescence (English) comes from Latin nigrescens, from Latin Niger, from Proto-Indo-European negʷ- — bare, naked.

nigrescence (English): The process of becoming black or dark;...

Definitions

  1. The process of becoming black or dark;...

Ancestry of “nigrescence”, step by step

StepLanguageWordMeaning
1Latinnigrescensblackening, darkening; blackish
2LatinNigerA Roman agnomen, or "nickname"
3Proto-Indo-Europeannegʷ-bare, naked
Every word from Proto-Indo-European negʷ- →Every word from Latin Niger →Every word from Latin nigrescens →