Etymograph

English

rubigo

Rubigo comes from Latin rōbīgō ‘rust (on metals)’, and goes back to rōbus ‘red’.

  1. Latinc. 75 BCE–200 CErōbus‘red’
  2. Latin, derivedc. 75 BCE–200 CErōbīgōas rūbīgō‘rust (on metals)’
  3. Englishearliest quotation 1804rubigo

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Latinc. 75 BCE–200 CErōbus‘red’
  2. Latin, derivedc. 75 BCE–200 CErōbīgōas rūbīgō‘rust (on metals)’
  3. Englishearliest quotation 1804rubigo

Earliest quotation: 1804, Annals of agriculture and other useful a: “Dr. Darwin supposes that the rubigo which shows itself…”

Linked words

through Latin rōbus ‘red’

robust, 2 more

Today it means

noun rust (fungal disease of plants)

Language periods are conventional ranges, not dates for this word.

Etymograph / Latin rōbus / rubigo