plane
The origin and history of plane.
Etymology
From Latin planum, "flat surface," a noun derived from planus, "flat, level" — introduced in the 1600s to separate the geometric sense from the older word "plain," which it's a doublet of.
The origin and history of plane.
From Latin planum, "flat surface," a noun derived from planus, "flat, level" — introduced in the 1600s to separate the geometric sense from the older word "plain," which it's a doublet of.