Robust comes from Latin rōbustus, meaning 'oaken, hard, strong', from rōbur — the Latin word for the hardest species of oak. To be robust is to be as strong as oak timber.
Strong and healthy; vigorous; able to withstand or overcome difficult conditions.
From Latin rōbustus meaning 'firm, solid, strong', from rōbur meaning 'hard timber, strength, an oak tree'. The Latin rōbur originally referred to a particular species of oak (Quercus robur) known for its exceptionally hard wood. Strength was measured against the oak: to be robust was to be oak-like. The same root gives us corroborate (to strengthen together, like oak
Robust means 'like an oak tree'. Latin rōbur was the word for the hardest species of oak, Quercus robur, and became a synonym for strength itself. When engineers describe a robust system, they are — without knowing it — comparing it to an oak. Corroborate shares the same root: to corroborate evidence