From Old English 'dott' (head of a boil, small lump), flattened over time from a raised bump to a simple spot on a surface.
A small round mark or spot.
From Old English 'dott' meaning 'head of a boil,' from Proto-Germanic *duttaz (small lump). Originally referred to a small raised bump, then flattened metaphorically into a mere point on a surface. Key roots: *duttaz (Proto-Germanic: "small lump").