An Etymological Dictionary of Astronomy and Astrophysics

A hypothetical topological feature, based on → general relativity, that connects two different points like a “tunnel” in → space-time.
The most common concept of a wormhole is an → Einstein-Rosen bridge. A trip through the wormhole could take much less time than a journey between the same starting and ending points in normal space. Wormholes have various types, intra-universe wormholes (connecting two distant regions of our Universe with each other) and inter-universe wormholes (that connect our Universe with another universe).

Etymology (EN): The term was coined by the Princeton physicist John Wheeler (1911-2008), from worm, M.E., O.E. wurm “serpent, dragon;” cf. O.S., O.H.G., Ger. wurm, O.Fris., Du. worm, Goth. waurms “serpent, worm;” akin to Pers. kerm “worm,” as below; → hole.

Etymology (PE): Kerm “worm;” Mid.Pers. kirm “worm, snake, dragon;” cf. Skt. krmi- “worm, maggot;” O.Ir. cruim “worm;” Lith. kirmis “worm;” L. vermis “worm;” E. worm, as above; surâx,
→ hole.