Latin

rōbus

‘red’

Every word has its own definition in its root. These English words share one: Latin rōbus.

4 English words in this record descend from Latin rōbus, most familiar first.

• robust ← rōbustus
• roil ← rouiller ← rouil ← *robicula ← robigo
• rouille ← reoïlle ← *robicla ← *robicula ← rōbīgō
• rubigo ← rōbīgō

Etymograph / Latin rōbus