Etymology Explorer › English

Where does “castor” come from?

Castor is from English caster, which is from English cast, ultimately deriving from the verb meaning to throw or direct.

castor (English): A hat made from the fur of the beaver; A heavy...

Definitions

  1. A hat made from the fur of the beaver; A heavy...

Ancestry of “castor”, step by step

StepLanguageWordMeaning
1Old Frenchcastorbeaver
2LatinCastor—
3Ancient GreekΚάστωρ—
4Doric Greekκάστον—

Words derived from “castor”

  • castored
  • castorin
Every word from Doric Greek κάστον →