rail
The origin and history of rail.
Etymology
From Old French reille and Old English regol, both going back to Latin regula, "a rule" or "straight bar" — the same root as "regular" and "rule."
The origin and history of rail.
From Old French reille and Old English regol, both going back to Latin regula, "a rule" or "straight bar" — the same root as "regular" and "rule."