Where does “tanniferous” come from?

tanniferous (English) comes from English tanni-, from English tannin, from French tannin, from Latin tannum, from Gaulish tannos, from Proto-Celtic tannos, from Proto-Indo-European dʰonu — fir.

tanniferous (English): Containing or yielding tannin

Definitions

  1. Containing or yielding tannin

Ancestry of “tanniferous”, step by step

StepLanguageWordMeaning
1Englishtanni-Tannin
2EnglishtanninTannic acid or any of its derivatives
3Frenchtannin—
4Latintannumoak bark
5Gaulishtannos—
6Proto-Celtictannosgreen oak
7Proto-Indo-Europeandʰonufir
Every word from Proto-Indo-European dʰonu →Every word from Proto-Celtic tannos →Every word from Gaulish tannos →