Authoritative answer
Exact answer
Atlas comes from Greek Atlas through Latin. Its map-book sense followed the Atlas figure used with Gerardus Mercator's map collection.
Scope: Recorded English etymology and sense history; reviewed July 31, 2026.
Important boundary: This explains the common noun atlas, not every product or company named Atlas.
Evidence
Quick answer
A short etymology card for atlas: origin, meaning history, memorable hook, and source-language context.
Source-first
Reviewed Jul 2026
Origin story
From Greek Atlas through Latin. The map-book sense followed the Atlas figure used with Mercator's map collection.
Why it sticks
A Titan came to carry collections of maps.
Shareable cardAtlas: A Titan came to carry collections of maps.