Etymograph

English

Hubble's Variable

From Hubble (“surname”) + variable (“variable star”).

A compound of Hubble ‘surname’ + variable ‘variable star’

Proto-West Germanic *Hugibald

Old High German Hucbalt

Old Northern French Hubald

English Hubble

Latin varius ‘different, various’

Latin variare ‘to change’

Old French variable

English variable

Today it means

name M31-V1: A star, a Cepheid variable in Andromeda Galaxy, Local Group, Local Supercluster, Laniakea, located in the Andromeda constellation; the first variable star discovered outside the Milky Way Galaxy, and first star identified whose distance was unequivocably beyond the confines of the Milky Way.

Language periods are conventional ranges, not dates for this word.

Etymograph / Hubble's Variable